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“After working at Microsoft for 5 years, I became the go-to-guy on various technologies and felt my focus shifting from SCCM. In my new role at SCCM Expert, I get to solely focus on SCCM 2007,” said Richard Dixon, Sr. Solutions Architect, SCCM Expert.

Solution to: HyperV unstable vmms service crashes periodically

Problem Statement:

I am getting an error, that is causing the hyperV to be unstable. I have 3 hyperV servers in my test env, runnning about 45 clients. All 3 are reporting this error at some point through the day. This often means that I need to restart the service hyperV Virtual Machine manager, and obviously during that time the SCVMM server (which is a VM client within these 3) looses contact until the service is restarted.

Article and Solution: http://social.technet.microsoft.com/Forums/en-US/virtualmachingmgrhyperv/thread/02adb29a-c3b8-41c5-80fc-99e6a67d39fc

Answer:

The problem is a known bug and is fixed in Windows 2008 SP2.
The problem is due to having a virtual machine configured with a SCSI adapter that does not have a drive attached to it. I had virtual machines with this configuration. since removing the un used SCSI adapter, my Hyper V service does not stop and restart.
So go thru each VM and remove any SCSI adapters that does not have a drive associated with it.
Hope this helps you guys.
Thanks

Technorati Tags: Hyper V,vmms,SCVMM

Published Jan 12 2009, 10:24 PM by rdixon

Filed under: MSDN on Hyper-V, TechNet on Hyper-V, SCVMM, Hyper V, vmms

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About rdixon

Certified on every release of SMS/SCCM product and now major focus is on NAP Implementations.

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SCCMNAP is a weblog and discussion forum dedicated to sharing, providing and bring together advanced expert knowledge from the technical community information related technologies for System Center Configuration Manager 2007 R2 & Network Access Protection. SCCMNAP shares industry standards and best practices from proven historical experience from mid to large size enterprises. SCCMNAP.COM Secure Your Environment!