Event ID 12800 — Virtual Desktop Management

Published: January 8, 2010

Applies To: Windows Server 2008 R2

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Virtual desktops assigned as personal virtual desktops or assigned to virtual desktop pools are managed by using Hyper-V Manager.

Event Details

Product: Windows Operating System
ID: 12800
Source: Microsoft-Windows-TerminalServices-TSV-VmHostAgent
Version: 6.1
Symbolic Name: EVENT_WARN_DUPLICATE_SPIN_VM
Message: Received duplicate SpinVM request. VM=%1, Hr=%2

Resolve

Start the virtual machine and enable Remote Desktop

To resolve this issue, do the following things:

  • Start the virtual machine manually.
  • Enable Remote Desktop.

To perform these procedures, you must be a member of the Administrators group, or you must have been delegated the appropriate authority.

Start the virtual machine manually

You can start the virtual machine manually by using Hyper-V Manager on the RD Virtualization Host server.

To start the virtual machine manually:

  1. On the RD Virtualization Host server, open Hyper-V Manager. To open Hyper-V Manager, click Start, point to Administrative Tools, and then click Hyper-V Manager.
  2. In the left pane, click the name of the RD Virtualization Host server.
  3. Under Virtual Machines, right-click the virtual machine to start, and then click Start.
  4. If the issue is not resolved, use the procedure in the section named "Enable Remote Desktop."

Enable Remote Desktop

Remote Desktop must be enabled within the virtual machine.

To enable Remote Desktop:

  1. On the RD Virtualization Host server, open Hyper-V Manager. To open Hyper-V Manager, click Start, point to Administrative Tools, and then click Hyper-V Manager.
  2. In the left pane, click the name of the RD Virtualization Host server.
  3. Under Virtual Machines, right-click the appropriate virtual machine, and then click Connect.
  4. Click Start, right-click Computer, and then click Properties.
  5. Click Remote settings.
  6. Click one of the following options:
    • If you want to enforce Network Level Authentication, click the Allow connections only from computers running Remote Desktop with Network Level Authentication (more secure) option.
    • If you do not want to enforce Network Level Authentication, click the Allow connections from computers running any version of Remote Desktop (less secure) option.
  7. Click OK to close the System Properties dialog box.

Verify

To verify that the virtual desktops are configured correctly, you can connect to them by using RD Web Access.

To perform this procedure, you must be a member of the Administrators group, or you must have been delegated the appropriate authority.

To connect to a virtual desktop:

  1. On a client computer, open Internet Explorer. To open Internet Explorer, click Start, point to All Programs, and then click Internet Explorer.
  2. In the Address bar, type https://servername/RDWeb where servername is the fully qualified domain name of the RD Web Access server, and then press ENTER.
  3. In the Domain\user name box, type the name of a user account that has access to a virtual desktop.
  4. In the Password box, type the specified password, and then click Sign in.
  5. Click the appropriate virtual desktop, and then click Connect.
  6. Verify that the virtual desktop opens without error.

Related Management Information

Virtual Desktop Management

Remote Desktop Services

Community Additions

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