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SymptomsWhen using System Center Virtual Machine Manager 2008 (SCVMM), a Physical to Virtual (P2V) conversion of Windows Server 2003 x86 or x64 fails with one of a few possible errors. Two common errors are 'An I/O error occurred' error 0x80131516, and 'required files are missing' error (13257).
Example 1
Warning (13257)
Virtual Machine Manager server is unable to convert <ServerName> because required files are missing.Recommended Action
Copy the file SP2.CAB to "C:\Program Files\Microsoft System Center Virtual Machine Manager 2008 R2\Patch Import" on the Virtual Machine Manager server, run the Add-Patch cmdlet to add the required files to the Virtual Machine Manager patch cache, and then try the operation again. The file SP2.CAB is located either at %WINDIR%\Driver Cache\i386 on <ServerName>, or on the Microsoft(R) Windows(R) Server 2003, Standard Edition (ENU, i386) installation media.n/ If SP2.CAB is not available, locate dc21x4.sys (Version: 5.5.5.0) on the installation media, copy the file to "C:\Program Files\Microsoft System Center Virtual Machine Manager 2008 R2\Patch Import", and then run the Add-Patch cmdlet to add the required files to the Virtual Machine Manager patch cache.
Example 2
CauseError (2920)
An I/O error occurred while opening the file C:\Program Files\Microsoft System Center Virtual Machine Manager 2008 R2\Patch Import\atapi.sys on the <ServerName> server.
(Unknown error (0x80131516))
The .NET Garbage Collector prevents SCVMM from properly adding a required patch.
ResolutionCreate a file named 'vmmservice.exe.config' and place it in the same directory as vmmservice.exe, '%SYSTEMDRIVE%\Program Files\Microsoft System Center Virtual Machine Manager 2008 R2\Bin.' Place the information below in the file and nothing else. Restart the VMM Service and try the Add-Patch command contained in the error again.
More Information<configuration
<runtime>
<gcServer enabled="false"/>
</runtime>
</configuration>
Many articles similar to this state to simply remove 'vmmservice.exe.config' if found in the same directory as vmmservice.exe, '%SYSTEMDRIVE%\Program Files\Microsoft System Center Virtual Machine Manager 2008 R2\Bin.' This is not enough if garbage collection has already been set. The resolution above reverses the 'gcServer enabled' setting from what may be 'true' to 'false.'
Garbage collection is required for SCVMM in some situations when there are over 150 Hosts. For more information see the articles below.
Configuring Garbage Collection on the Server
http://msdn.microsoft.com/en-us/library/cc165011.aspx
How to enable server-optimized garbage collector for VMM
http://blogs.technet.com/b/m2/archive/2009/02/04/how-to-enable-server-optimized-garbage-collect...
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For the most current version of this article please see the following:
2650412: A System Center Virtual Machine Manager 2008 P2V of Windows 2003 fails with reference to SP2.cab ( http://support.microsoft.com/kb/2650412 )
J.C. Hornbeck | System Center Knowledge Engineer
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