esSJae's Virtualization Blog

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Posts Tagged ‘vbox’

VirtualBox 6.0.4 Released

Posted by essjae on January 28, 2019

VirtualBox 6.0.4 (released January 28 2019)

This is a maintenance release. The following items were fixed and/or added:

  • Virtualization core: support Shanghai/Zhaoxin CPUs.
  • User interface: handle command line arguments to VirtualBox correctly (bugs #18206 and #18197)
  • User interface: improvements to machine manager window, virtual optical disk creator, storage selector window and log viewer window
  • User interface: various small fixes and improvements
  • Audio: implemented time scheduling for the AC’97 device emulation to keep audio and video in sync
  • Graphics: basic support for VMSVGA graphics device in virtual machines using EFI
  • Network: fix occasional NATNet crashes (bug #13899)
  • Network: worked around problems in certain PCnet drivers on old operating systems
  • Serial: fixed connecting to pseudo terminals on POSIX hosts (6.0.0 regression; bug #18319)
  • Linux hosts and guests: fix for building kernel modules against Linux 5.0. Thank you Kyle Laker

https://www.virtualbox.org/wiki/Changelog

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Setting up an All-In-One Windows AD Test Environment (VirtualBox Edition)

Posted by essjae on January 17, 2019

Build a basic all-in-one lab in VirtualBox. This how-to shows you how to build a virtual Windows Active Directory environment isolated from your home or work network.  See my follow-up post using VMware Workstation here: https://smudj.wordpress.com/2019/01/23/setting-up-an-all-in-one-windows-ad-test-environment-vmware-workstation-edition/

Note: I’m no AD expert, there are better, worse, and different ways to do this and you’re not required to use VirtualBox.

Requirements:
16GB RAM minimum
SSD or multiple HDDs
Quad-core or better CPU with hardware virtualization enabled

 

  1. Download the necessary software. Download the ISOs for the OSes you’ll be installing. For this example, I’ll be using IPFire and MSDN versions of Windows Server 2012R2 and Windows 10 Pro.
    1. VirtualBox: https://www.virtualbox.org/wiki/Downloads
    2. Windows OS Evaluation: https://www.microsoft.com/en-us/evalcenter/
    3. IPFire: https://www.ipfire.org/download/ipfire-2.21-core124
  2. Create your IPFire router VM
    1. Click New, enter the name of your router, ie “IPFire”
    2. Change the OS to Linux, Ubuntu 64bit is fine as the version. Click Next.
    3. Enter 512MB for memory. Click Next.
    4. Click Create for a new virtual HDD and select VDI. Click Next.
    5. Select Dynamically allocated and click Next.
    6. Change the location here if necessary. The 10GB default is large enough, click Create.
    7. Once created, click Settings and then click Network. We need to modify the networking options.
      1. Adapter 1 should be set to NAT or Bridged.
      2. Adapter 2 needs to be enabled and set to Internal Network. **Make note of the MAC address for adapter 2. You can find it by expanding the Advanced tab.** 
      3. Click OK.

 

  1. Mount the IPFire ISO and install
    1. Click Settings on the IPFire VM. Click Storage.
    2. Click “Empty” next to the CD icon. Click the CD icon next to the far right to mount the ISO.
    3. Select “choose a virtual optical disk file” and browse to the ISO’s location.
    4. Select to mount. Click Ok to close the window.
    5. Power on the VM.
    6. Follow the IPFire prompts. Press enter to select, tab to move between selections, and the space bar to select check boxes.
    7. All defaults can be used.
  2. Configure IPFire
    1. Select the keyboard mapping. I’m using “us.” Press Enter to accept.
    2. Set your timezone. By pressing the first letter of your timezone, you can jump to that section. Select the correct timezone via the arrow keys and press Enter to accept.
    3. Enter a host name, the default is fine for our lab. Press Enter twice.
    4. The default domain is fine for our lab, press Enter twice to continue.
    5. Enter the root password and press Enter each time and once more to continue.
    6. Do the same for the admin password. Password can be the same for both for our lab purposes.–Network Configuration–
      1. Press Enter for “network configuration type”
      2. Select “Green + Red” and press Enter
      3. Arrow down to “drivers and card assignments.” and press Enter.
      4. Green: This is our internal network. Press Enter to select. Compare the MAC and select the correct interface. Press Enter to select the Interface.
      5. Red: This is our internet facing network, NAT or Bridged. Select RED, press Enter, and press Enter again to select the remaining interface.
      6. Tab over to done and press Enter.–Address Settings–
        Press Enter to select.
        GREEN:
        1. Select GREEN and press Enter.
        2. This is a new private, virtual network for our lab. Select a different IP subnet than your host network to avoid confusion.
        3. The IP warning can be ignored as we are not logged in remotely. In this example, the subnet is 192.168.211.1/24. Since this will be the gateway, we can use 192.168.211.1. The subnet mask does not need to change.
        4. Press Enter until you return to the GREEN/RED menu.
        RED:
        1. Select RED and press Enter.
        2. Select DHCP. This interface will get the IP from the VBox NAT or your physical network’s DHCP server. You can modify the hostname here if necessary.
        3. Tab to Done and press Enter.
        –DNS and Gateway settings–
        1. DNS and Gateway settings are only needed if using a static IP. Since we are using DHCP, there is nothing to change here. Tab to Done and press Enter.–DHCP Configuration–
        We will be using Windows DHCP instead of IPFire’s. Tab to OK and press enter without enabling DHCP. Press Enter to close setup.
  3. Create Windows Server 2012 R2 VM
    1. From the VBox main men, click New.
    2. Enter a name, ex: “WS2012R2”, select the appropriate type (Windows 2012) and version (64-bit). Click Next.
    3. Set RAM to 4096MB. If you have more than 16GB of RAM, you can increase to 6 or 8GB, if needed. Click Next.
    4. Create a new virtual hard disk, click Create.
    5. Select VDI and click Next.
    6. Select Dynamically allocated, and click Next.
    7. Enter 80GB and click Create.
    8. Click Settings, then click Network.
    9. Select Internal Network.
    10. Select Storage. Click the CD under storage devices, then click the CD icon to the left of Optical Drive.
    11. Select Choose virtual optical disk file. Browse and select your Windows Server ISO.
    12. Click OK.
  4. Install Windows Server 2012
    1. Install Windows as you normally would.
  5. Configure Windows Server and Domain
    1. Enter the IP information. The IP needs to be on the same subnet as configured for the GREEN network. EX: 192.168.211.200, GW: 192.168.211.1, DNS: 127.0.0.1 since we’ll be creating a domain controller with DNS and DHCP services.
    2. You should be able to ping an IP address, but not a DNS name.
    3. Change the name of your server and reboot.Start the Add Roles and Feature Wizard
      1. Add the following roles:
      –Active Directory Domain Services
      –DHCP Services
      –DNS Services
      2. Follow the wizard’s steps.
      3. Promote: Add a new forest.
      4. Enter your domain name and follow the wizard.  –you will get a warning about DNS, this will be resolved later.
  6. Configure DNS and DHCP

DNS.  We need to add a forwarder for our DNS settings.

1. From Administrative Tools, open DNS
2. Right-click on your server and click Properties.
3. Click the Forwarders tab
4. Click Edit, and add your external DNS servers like 4.2.2.1, 4.2.2.2, 8.8.8.8, and 8.8.4.4.

DHCP
1. Double-click DHCP from Administrative Tools
2. Expand IPv4 and right-click, click New Scope from the menu.
3. Enter an IP range, ex: 192.168.211.50 to 192.168.211.100
4. The remaining settings can be default for now.
5. When asked to configure scop options, verify “Yes” and click Next.
6. Router/Default gateway will be the IP we used to configure the GREEN NIC, ex: 192.168.211.1
7. Domain name and DNS should be pre-configured. You should see the server’s IP in IP address box, ex: 192.168.211.200
8. WINS does not need to be configured at this time.
9.When prompted to activate scope, verify “Yes” and click Next.
10. Click Finish to complete the wizard.

Right-click on the server’s name under DHCP, and click Authorize from the menu. Refresh and IPv4 should have a green circle with a white check mark.

9. Managing IPFire via web interface

You can access IPFire’s management console via a web browser.
Enter https://ipfire_ip-address:444, ex: https://192.168.211.1:444
Use “admin” and the password entered during step 4.

Note: You will get a certificate error when accessing the IPFire management page.

9. Adding Client VMs.

Nothing special here.  Install Windows/Linux as usual.  Make sure to select Internal Network for the VM’s network

10. Completion!

Here’s the money shot:
-VirtualBox
-IPFire VM
-WS2012R2 VM – domain controller for sw.net, DHCP and DNS roles
-Win10 VM – joined to sw.net, displaying IPFire’s web management page and network settings.

Posted in Computers, Networking, VirtualBox, Virtualization, VM OS Install, W2012, Windows 10, Windows 2012, Windows 2012 r2 | Tagged: , , , , , , | Leave a Comment »

VirtualBox 6.0.2 Released

Posted by essjae on January 15, 2019

https://www.virtualbox.org/wiki/Downloads

This is a maintenance release. The following items were fixed and/or added:

  • User interface: fixed creation of desktop shortcuts for starting virtual machines (bug #18207)
  • User interface: allow the first run window to selecting host drives (bug #18230)
  • User interface: fixed attaching empty host optical drives (bug #18223)
  • User interface: implemented a new virtual optical disk creation window
  • USB: modified Linux backends to reset USB devices (previously, most guest attempts to reset USB devices were ignored)
  • PCnet: fixed a regression which caused some PCnet PCI guest drivers to not detect the emulated hardware (bug #18286)
  • Linux hosts: fixed conflict between Debian and Oracle build desktop files (bug #18264)
  • Linux and MacOS hosts: VirtualBoxVM command not accessible (bug #18257)
  • Windows guests: multiple monitor fixes with VBoxSVGA graphics
  • Windows guests: black screen with VBoxSVGA graphics when 3D is disabled (bug #18205)
  • Linux guests: fixed building drivers on SLES 12.4 (bug #18213)
  • Linux guests: fixed building shared folder driver with older kernels (bug #18238)
  • OS/2 shared folders: fixed write regression introduced in 6.0.0 GA

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VirtualBox 6.0 Release

Posted by essjae on December 18, 2018

https://www.virtualbox.org/wiki/Downloads

This is a major update. The following major new features were added:

  • Implemented support for exporting a virtual machine to Oracle Cloud Infrastructure
  • User interface: greatly improved HiDPI and scaling support, including better detection and per-machine configuration
  • Major rework of user interface with simpler and more powerful application and virtual machine set-up
  • User interface: a new file manager enabling user to control the guest file system and copy files between host and guest.
  • Graphics: major update of 3D graphics support for Windows guests, and VMSVGA 3D graphics device emulation on Linux and Solaris guests
  • Added support for surround speaker setups (as used by Windows 10 Build 1809)
  • Added utility vboximg-mount on Apple hosts to access the content of guest disks on the host
  • Added support for using Hyper-V as the fallback execution core on Windows host, to avoid inability to run VMs at the price of reduced performance In addition, the following items were fixed and/or added:
  • Execution core: fixed single-stepping in certain circumstances (bug #17316)
  • User interface: video and audio recording can now be separately enabled
  • Audio/Video recording fixes and improvements
  • Audio: better support for attaching and detaching remote desktop connections
  • Serial port emulation fixes
  • Serial ports: allow changing the serial port attachment while a machine is running (bug #6115)
  • Networking: Added a workaround for older guests which do not enable bus mastering for the virtio PCI device
  • Networking: fixed wrong RCODE from DNS AAAA query with –natdnshostresolver1 (bug #18171)
  • iSCSI: In cases where there is no ambiguity, the LUN of an iSCSI target is automatically determined, for targets with non-zero LUNs
  • Transparently resize disk images when merging if possible
  • VBoxManage: support for DHCP options
  • Fixed VNC/RDP (bug #18153)
  • Guest Control: various new interfaces and features (see SDK documentation)
  • Linux hosts: support Linux 4.20 (thank you Larry Finger)
  • Solaris: installer fixes
  • Shared folders: performance improvements
  • Guest Additions: improved shared folder auto-mounting
  • Windows Guest Additions: fix incorrect tablet co-ordinate handling with recent Windows 10 builds
  • Linux Additions: fix for building vboxvideo on EL 7.6 standard kernel, contributed by Robert Conde (bug #18093)
  • Linux guests: support Linux 4.20 (thank you Larry Finger)
  • Linux guests: support VMSVGA in the Linux and X11 Additions
  • MacOS Guest Additions: initial support
  • OS/2 Guest Additions: initial shared folder support
  • BIOS fixes
  • ACPI: Up to four custom ACPI tables can now be configured for a VM

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VirtualBox 5.1.16 Maintenance Release

Posted by essjae on March 8, 2017

Download here: https://www.virtualbox.org/wiki/Downloads

This is a maintenance release.

The following items were fixed and/or added: Changelog https://www.virtualbox.org/wiki/Changelog

  • VMM: don’t access the MSR_IA32_SMM_MONITOR_CTL MSR if dual-monitor treatment is not available (KVM workaround, bug #14965)
  • VMM: another fix for handling certain MSRs on ancient CPUs without VT-x support for MSR bitmaps
  • VMM: fixed VERR_SSM_LOAD_CPUID_MISMATCH errors when restoring a saved state with SMP guests on hosts without the CPUID/HTT bit set (bug #16428)
  • VMM: fixed a bug in call gate emulation
  • VMM: FWAIT instruction fix
  • VMM: fixed a sporadic guest hang under certain conditions
  • GUI: hide the mini-toolbar from the taskbar and the pager on certain X11 hosts
  • GUI: better error handling on the global settings / network / host-only / DHCP server settings
  • GUI: fixes for full-screen with multiple screens
  • Host-only Network: fixed host-only adapter creation issue preventing VirtualBox installation on Windows 10 hosts (bug #16379)
  • NAT network: fixed two potential crashes in the DHCP server
  • ICH9: fixed incorrect initialization of the primary bus for PCI bridges (5.1.14 regression)
  • Storage: LsiLogic fix for Windows 10
  • USB: fixed not being able to attach certain USB devices having invalid characters in the device strings (5.0.18 regression; bug #15956)
  • USB: several fixes for the USB/IP support (bug #16462)
  • VBoxSVC: fixed another crash during shutdown under rare circumstances
  • VBoxSVC: fixed a stack overflow on (Windows debug builds only; bug #16409)
  • OVF: when importing an appliance handle more than 10 network adapters if the OVA was created by VirtualBox (bug #16401)
  • OVF: fixes for exporting and importing appliances with many disks (bug #16402)
  • VBoxManage: fixed regression with modifyhd –resize (bug #16311)
  • rdesktop-vrdp: source code tarball fixes
  • Linux Installers: do not rebuild kernel modules unnecessarily (bug #16408)
  • Linux hosts: added an action for opening the VM manager window to the .desktop file
  • Linux hosts / guests: Linux 4.11 compile fixes (bug #16506)
  • Linux Additions: added vboxsf FS modules alias (bug #16404)
  • Linux Additions: fix for the shared folders kernel module to compile on Linux 4.10
  • Linux Additions: properly install the Linux kernel module override rule on distributions without /etc/depmod.d
  • Windows Additions: fixed a crash with recent Windows 10 builds if 3D is disabled (bug #15973)

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VirtualBox 5.1.6 Available

Posted by essjae on September 13, 2016

VirtualBox 5.1.6 (released 2016-09-12)

This is a maintenance release. The following items were fixed and/or added:

  • GUI: fixed issue with opening ‘.vbox’ files and it’s aliases
  • GUI: keyboard grabbing fixes (bugs #15771 and #15745)
  • GUI: fix for passing through Ctrl + mouse-click (Mac OS X hosts only; bug #15714)
  • GUI: fixed automatic deletion of extension pack files (bugs #11352 and #14742)
  • USB: fixed showing unknown device instead of the manufacturer or product description under certain circumstances (5.1.0 regression; bug #15764)
  • XHCI: another fix for a hanging guest under certain conditions as result of the fix for bug #15747, this time for Windows 7 guests
  • Serial: fixed high CPU usage with certain USB to serial converters on Linux hosts (bug #7796)
  • Storage: fixed attaching stream optimized VMDK images (bug #14764)
  • Storage: reject image variants which are unsupported by the backend (bug #7227)
  • Storage: fixed loading saved states created with VirtualBox 5.0.10 and older when using a SCSI controller (bug #15865)
  • Storage: fixed broken NVMe emulation if the host I/O cache setting is enabled
  • Storage: fixed using multiple NVMe controllers if ICH9 is used
  • NVMe: fixed a crash during reset which could happen under certain circumstances
  • Audio: fixed microphone input (5.1.2 regression; bugs #14386 and #15802)
  • Audio: fixed crashes under certain conditions (5.1.0 regression; bug #15887 and others)
  • Audio: fixed recording with the ALSA backend (5.1 regression)
  • Audio: fixed stream access mode with OSS backend (5.1 regression, thanks to Jung-uk Kim)
  • E1000: do also return masked bits when reading the ICR register, this fixes booting from iPXE (5.1.2 regression; bug #15846)
  • BIOS: fixed 4bpp scanline calculation (bug #15787)
  • API: relax the check for the version attribute in OVF/OVA appliances (bug #15856)
  • Windows hosts: fixed crashes when terminating the VM selector or other VBox COM clients (bug #15726 and others)
  • Linux Installer: fixed path to the documentation in .rpm packages (5.1.0 regression)
  • Linux Installer: fixed the vboxdrv.sh script to prevent an SELinux complaint (bug #15816)
  • Linux hosts: don’t use 32-bit legacy capabilities
  • Linux Additions: Linux 4.8 fix for the kernel display driver (bugs #15890 and #15896)
  • Linux Additions: don’t load the kernel modules provided by the Linux distribution but load the kernel modules from the official Guest Additions package instead (bug #15324)
  • Linux Additions: fix dynamic resizing problems in recent Linux guests (bug #15875)
  • User Manual: fixed error in the VBoxManage chapter for the getextradata enumerate example (bug #15862)

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VirtualBox 5.0.16 Maintenance Release

Posted by essjae on March 14, 2016

A little late, released March 4, a maintenance release. Download.

Change log:

The following items were fixed and/or added:

  • VMM: fixed a problem which could lead to a wrong guest behavior on AMD CPUs (tickets #14831 and #15186)
  • GUI: don’t try to synchronize the HID LEDs if the VM window is not active or if it’s minimized (Windows / Mac OS X hosts only; bug #14302)
  • GUI: prevent a crash during startup under rare conditions
  • GUI: sub-menu option to disable the guest-OS type overlay in the application dock icon on Mac OS X
  • GUI: position off-screen windows to be fully visible again on relaunch
  • GUI: hide the VT-x/AMD-V checkbox if raw-mode is not supported (usually Mac OS X hosts; bug #15178)
  • PC speaker passthrough: new experimental feature, available on Linux host only
  • Audio: several fixes for Mac OS X hosts + guests
  • Audio: properly handle default audio device changes (Windows hosts)
  • USB: serveral fixes for the xHCI controller (e.g. for webcam passthrough)
  • BIOS: fixed int15/AH=83/AL=00 function (4.2.0 regression)
  • iPXE: enable the HTTP download protocol on non-Linux hosts (bug #13628)
  • Shared folders: fixed a failure to load the saved state under certain circumstances (bug #6314)
  • Guest Control: added support for (cached) Active Directory authentication in case the domain controller is not reachable (anymore)
  • Serial ports: raised the number of serial ports per VM from 2 to 4 (bug #9109)
  • Serial ports: fix for the TCP/IP backend (Windows hosts only; bug #15188)
  • SDK: make the Python webservice API binding work again (5.0 regression)
  • Seamless mode: fixed a crash under certain circumstances (bug #15106)
  • Linux hosts: fixed the /sbin/rcvboxdrv script as well as the missing shebang in two scripts (bugs #15055 and #15057)
  • Linux hosts: properly uninstall Python files installed by the .run installer
  • Windows hosts: hardening fix required for recent Windows insider builds (bug #14052)
  • Windows hosts: fixed Python installation path (bug #13131)
  • Windows hosts: support MTU larger than 2 KB with bridged networking (bug #15140)
  • Windows hosts / guests: properly sign binaries using a sha-256 certificate (bug #15054)
  • Windows Additions: fixed guest property enumeration of logged-in users
  • Windows Additions: fixed sporadical failure of the graphics driver in Windows 10 guests (bug #14409)
  • Windows Additions: under rare circumstances no mouse movement events were delivered to the guest

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VirtualBox 5.0.10 (released 2015-11-10)

Posted by essjae on November 11, 2015

5.0.10 maintenance release is now available: https://www.virtualbox.org/wiki/Downloads

Changelog:

This is a maintenance release. The following items were fixed and/or added:

  • VMM: improved support for certain Intel Atom CPUs (bug #14773)
  • VMM: system register emulation fix (5.0 regression; bug #14515)
  • GUI: fixed immediate screenshot issue (bug #14108)
  • GUI: fixed another 3D overlay window reparenting issue when the VM is switched to fullscreen mode on X11 hosts
  • GUI: fixed help index (bug #14722)
  • GUI: fixed state synchronization issue in the VM manager window when VM was paused from its runtime window
  • Audio: fixed suspending/resuming audio streams on VM pause/unpause (bug #14784)
  • Audio: properly reset AC97 audio streams, otherwise there is silence until a non-48 kHz stream is played
  • Audio: fixed a small emulation quirk of the AD1980 codec of the HDA device to make recent linux guests work (bug #14653)
  • USB: serveral fixes for the xHCI controller
  • USB: fixed a crash under certain conditions on hosts with Linux kernels older than version 3.3
  • USB: better identification of certain USB devices
  • NAT: support TCP in DNS proxy (bug #14736)
  • NAT Network: fixed sporadic crashes on Windows hosts (bug #13899)
  • API: when creating differencing images (e.g. as part of a snapshot or cloning a VM) use the same disk image variant as the parent image if possible, which means that e.g. a diff image for a VMDK image split into 2 GB files will also be split (bug #14764)
  • API: event queue handling fixes preventing loss of certain events at runtime (e.g. new webcam attached), particularly important on Mac OS X hosts
  • Webcam: passthrough fix for certain devices (Windows hosts only)
  • VBoxManage: don’t crash on snapshot restorecurrent / edit if the VM has no snapshots
  • VBoxManage: don’t crash on controlvm addencpassword (bug #14729)
  • Mac OS X hosts: use the correct kernel on certain hosts
  • Windows hosts: fixed VRDP external authentication
  • Windows hosts: allow to use a shared folder path with extended-length path prefix (5.0 regression; bug #14651)
  • Windows hosts: fix a crash in the netfilter host driver under certain conditions (bug #14799)
  • Windows host installer: documented and fixed public properties which can be used to control the installation to some extent
  • Windows host installer: fixed not starting the actual installation when showing the version information or help dialogs
  • X11 Additions: added basic support for X.Org Server 1.18 (3D requires additional fixes)

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VirtualBox 5.0 Released July 9!

Posted by essjae on July 14, 2015

VirtualBox 5.0 (released 2015-07-09)

This is a major update. The following major new features were added:

  • Paravirtualization support for Windows and Linux guests to improve time-keeping accuracy and performance (see the manual for more information)
  • Make more instruction set extensions available to the guest when running with hardware-assisted virtualization and nested paging. Among others this includes: SSE 4.1, SSE4.2, AVX, AVX-2, AES-NI, POPCNT, RDRAND and RDSEED
  • xHCI Controller to support USB 3 devices (see the manual for more information)
  • Drag and drop support (bidirectional) for Windows, Linux and Solaris guests
  • Disk image encryption (see the manual for more information)
  • VMs can now be started in separate mode. The VM process is started headless while the frontend runs as a separate process which can be terminated without stopping the VM.
  • GUI: VM guest-content scaling support (including 3D acceleration)
  • GUI: New User Interface settings page for customizing status-bar, menu-bar and guest-content scaling
  • GUI: New Encryption settings tab for customizing encryption options for disk images
  • GUI: HiDPI support including application icons and optional unscaled HiDPI output on Mac OS X (including 3D acceleration)
  • GUI: Hot-plugging support for SATA disks
  • New, modular audio architecture for providing a better abstraction of the host audio backends
  • Support for the NDIS6 networking framework on Windows (default on Vista and later)

Download here

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VirtualBox 4.3.28 Released

Posted by essjae on May 13, 2015

Download: https://www.virtualbox.org/wiki/Downloads

 

This is a maintenance release. The following items were fixed and/or added:

  • VMM: fixed a Guru Meditation when rebooting certain guests (for example Solaris doing fast reboot) by fixing the implementation for INIT IPI
  • VMM: added some information for diagnosing rare VERR_VMX_INVALID_VMXON_PTR Guru Meditations (VT-x only)
  • GUI: HID LEDs sync: prevent synchronization if VM window has no focus (Windows and Mac OS X hosts only)
  • GUI: fixed drag and drop moving the cursor between guest screens on certain hosts
  • 3D: fixed a crash on restoring the VM state on X11 hosts (bug #12737)
  • 3D: fixed a crash on Linux guest shutdown (bug #12772)
  • VRDP: fixed incompatibility with rdesktop 1.8.3
  • VRDP: fixed listening for IPv6 on some systems (bug #14038)
  • Storage: don’t crash if creating an asynchronous I/O context fails (e.g. when starting many VMs) and show a proper error message
  • Floppy: several fixes
  • Audio: improved the behavior of the volume control for the HD audio device emulation
  • USB: increase the number of supported drivers from 3 to 5 (Windows hosts only)
  • PS/2 keyboard: synchronize the LED state on VM restore (Windows and Mac OS X hosts only)
  • NAT Network: when running multiple NAT networks with multiple VMs, only stop the respective services when stopping VMs (bug #14090)
  • NAT: don’t kill UDP bindings on ICMP errors (bug #13475)
  • NAT: bandwidth limit now works properly with NAT (bug #11485)
  • BIOS: fixed the returned size value of the VBE 2.0 PMI function 0Ah (4.2.0 regression; bug #14096)
  • Guest Control: fixed parameter quoting in Windows guests (bug #13157)
  • Webcam passthrough improvements for Linux (V4L2) hosts to support more webcam models
  • API: don’t fail starting a VM with VBOX_E_INVALID_OBJECT_STATE under certain conditions (bug #13617)
  • API: be more verbose on VBOX_E_INVALID_OBJECT_STATE if a medium is attached to a running VM (bug #13560)
  • API: fixed a bug which could result in losing certain screen resize events with multi-monitor guests
  • rdesktop-vrdp: fixed path to the keymaps (bug #12066)
  • rdesktop-vrdp: switch to version 1.8.3
  • Windows hosts: more hardening fixes (e.g. bugs #14051, #14052)
  • Linux hosts: another fix for activated SMAP on Linux 3.19 and newer (Broadwell and later; bug #13961)
  • Linux hosts: Linux 4.1 compile fix (bug #14081)
  • Solaris hosts: fixed using of VNIC templates with Crossbow based bridged networking to be compatible with vanity interface names
  • Mac OS X hosts: fixed crash during VM termination under rare circumstances
  • Windows Additions/WDDM: improved video memory utilization and allow more/bigger guest screens with large resolutions (including HiDPI)
  • X11 Additions: prevent flickering when updating mouse cursor
  • Solaris Additions: fixed incorrect usage of ‘prtconf’ while installing Guest Additions (Solaris 10 only)

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