How to troubleshoot issues when adding a Hyper-V host in System Center Virtual Machine Manager 2008 or System Center Virtual Machine Manager 2008 R2

How to troubleshoot issues when adding a Hyper-V host in System Center Virtual Machine Manager 2008 or System Center Virtual Machine Manager 2008 R2

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hotfixI just wanted to let you know about a new Knowledge Base article we published today. You’ll definitely want to bookmark this one as it tells you how to troubleshoot a couple of the more common issues we see when adding a Hyper-V host in SCVMM 2008 or SCVMM 2008 R2:

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Summary

This article covers how to troubleshoot issues when adding a Hyper-V host in System Center Virtual Machine 2008 or System Center Virtual Machine 2008 R2.
Common errors that are logged in the VMM Administrator Console when an “Add virtual machine host” job fails include the following:

Error (421)
Agent installation failed on server.domain.com because of a WS-Management configuration error.

Error (2912)
An internal error has occurred trying to contact an agent on the server.domain.com server.

Error (2916)
VMM is unable to complete the request. The connection to the agent server.domain.com was lost.

Error (2927)
A Hardware Management error has occurred trying to contact server server.domain.com.

More Information

Step 1: Review the VMM Agent installation log file

On the Hyper-V host, review the “vmmAgent.msi_%date%_%time%.log” file that’s located in the %systemdrive%\ProgramData\VMMLogs directory.

Note: This log file may not exist if the failure occurs early in the installation process.

Step 2: Use the System Center Virtual Machine Configuration Analyzer (VMMCA)

The Virtual Machine Manager Configuration Analyzer is a diagnostic tool that administrators can use to evaluate important configuration settings for computers that either are serving or might serve VMM roles or other VMM functions. The Virtual Machine Manager Configuration Analyzer does the following:

· Scans the hardware and software configurations of the computers that you specify
· Evaluates these configurations against a set of predefined rules
· Displays error messages and warnings for any configurations that are not optimal for the VMM role or for other VMM functions that you specified for the computer

To download the Virtual Machine Manager Configuration Analyzer, visit the following Microsoft website:
http://www.microsoft.com/downloads/details.aspx?FamilyID=02d83950-c03d-454e-803b-96d1c1d5be24&displaylang=en

Step 3: Verify the recommended hotfixes are installed on the VMM and Hyper-V servers

On the VMM and Hyper-V servers, verify the recommended hotfixes are installed:

2397711 Recommended hotfixes for System Center Virtual Machine Manager 2008 R2
962941 Recommended hotfixes for System Center Virtual Machine Manager 2008

Step 4: Verify the ports used by VMM are not blocked by a firewall

Verify the ports used by VMM to communicate with the Hyper-V host are not blocked by a firewall. By default, VMM uses the following ports to communicate with the Hyper-V host:

TCP port 80
TCP port 443
TCP port 2179

The following knowledge base article covers some tests to verify communication between the VMM and Hyper-V hosts:

2465160 Add Host or other action fails with (2916) 0x80338126 in System Center Virtual Machine Manager 2008

For more information on the ports used by VMM, please reference the following TechNet article: http://technet.microsoft.com/en-us/library/cc764268.aspx

Step 5: Check for duplicate SPNs

Perform the steps documented in the following article to check for duplicate SPNs:

970923 Unable to add a managed host in SCVMM 2008 and SCVMM 2008 R2, Error 2927 (0x8033809d)

Step 6: Check for corrupted performance counters on the Hyper-V host

Review the following knowledge base article to determine if the Hyper-V host has corrupted performance counters:

2001247 SCVMM: Adding a host to System Center Virtual Machine Manager 2008 may fail with error 2912 / 0xc0000BBF

Step 7: Manually install the VMM Agent on the Hyper-V host

If the Add-VMHost job continues to fail, manually install the agent on the Hyper-V host by performing the steps documented in the following TechNet article: http://technet.microsoft.com/en-us/library/cc764218.aspx

Query Words

SCVMM Add-VMHost VMM 2008 R2 VM VMM2008

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For the latest information please see the following KB article:

KB2584907: How to troubleshoot issues when adding a Hyper-V host in System Center Virtual Machine Manager 2008 or System Center Virtual Machine Manager 2008 R2

J.C. Hornbeck | System Center Knowledge Engineer

The App-V Team blog: http://blogs.technet.com/appv/
The WSUS Support Team blog: http://blogs.technet.com/sus/
The SCMDM Support Team blog: http://blogs.technet.com/mdm/
The ConfigMgr Support Team blog: http://blogs.technet.com/configurationmgr/
The SCOM 2007 Support Team blog: http://blogs.technet.com/operationsmgr/
The SCVMM Team blog: http://blogs.technet.com/scvmm/
The MED-V Team blog: http://blogs.technet.com/medv/
The DPM Team blog: http://blogs.technet.com/dpm/
The OOB Support Team blog: http://blogs.technet.com/oob/
The Opalis Team blog: http://blogs.technet.com/opalis
The Service Manager Team blog: http: http://blogs.technet.com/b/servicemanager
The AVIcode Team blog: http: http://blogs.technet.com/b/avicode
The System Center Essentials Team blog: http: http://blogs.technet.com/b/systemcenteressentials
The Server App-V Team blog: http: http://blogs.technet.com/b/serverappv

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