Unsupported Cluster Configuration – Virtual Networks

“Why is my VM displaying an ‘Unsupported Cluster Configuration’ status?”  This is a question that I hear quite frequently.  One of my colleagues, Jonathan Jordan has written an excellent blog about “Unsupported Cluster Configuration” that includes a script to detect the differences in the networking configuration on the cluster. http://blogs.technet.com/jonjor/archive/2009/08/07/unsupported-cluster-configuration-virtual-networks.aspx I recommend storing the script…

0

Domain functional level requirements for VMM

This is a question that I see from time to time either on forums or from customers.  What is the domain functional level required for VMM? The answer is that VMM requires the domain functional level to be at least 2003 or higher.  It is not supported to install VMM on a 2000 level domain. …

1

What is CPU Type in SCVMM 2008 R2 VM Processor Hardware Profile?

Quite often we hear questions about the CPU type in SCVMM and what it really means.  Well, one of my colleagues Mark Ghazai has written and well-illustrated article that discusses this in detail.  This is definitely a post to share! http://blogs.technet.com/mghazai/archive/2009/12/02/what-is-cpu-type-in-scvmm-2008-r2-vm-processor-hardware-profile.aspx Thanks Mark!

0

Mastering Virtual Machine Manager 2008 R2 Book Available Now

Greetings,  I am pleased to annouce the availability of Mastering Virtual Machine Manager 2008 R2.  The book is available for purchase on Amazon.  Authors Michael Michael and Hector Linares both work on the SCVMM product team and many of you are already familiar with their blogs that offer great advice and tips on using SCVMM.   We are so pleased that they found…

0

SCVMM service may consume high memory or CPU utilization

 Symptoms In System Center Virtual Machine Manager 2008, if the Job Count exceeds the recommended upper limit then the Virtual Machine Manager service may consume a large amount of memory or exhibit high CPU utilization. Cause This issue may occur if the Job Count exceeds the recommended limits. The maximum number of running jobs that an SCVMM system should…

1

What does ‘over-committed’ status really mean?

One of the top questions that I keep hearing from our customers is to explain the ‘over-committed’ status and why we sometimes display this status.  An example of when this status might be displayed is when attempting to migrate a VM to a particular host, depending on what is already on the destination the ‘over-committed’…

0

Issues adding a single node cluster into management by VMM

Recently we have seen an issue where a few customers have been experiencing errors and long delays in adding a single-node (i.e. a 1 node cluster) cluster under management in Virtual Machine Manager. The error that is displayed in the console is Warning (13926) that all of the nodes could not be contacted. This issue stems…

1

VMMCA now updated for VMM R2!

I see many issues that could’ve been easily resolved if the VMMCA, or Virtual Machine Manager Configuration Analyzer had been ran prior to opening up a case with Microsoft CSS. The VMMCA has now been updated for VMM R2.  Description The VMMCA is a diagnostic tool you can use to evaluate important configuration settings for computers…

0

Testing BITS file transfer outside of VMM

As we all know VMM uses BITS to transfer files during various operations.  However from time to time you may find yourself needing to troubleshoot whether or not BITS is working correctly outside of VMM.  This can be performed using the following method. BITSadmin can be downloaded here:  http://msdn.microsoft.com/en-us/library/aa362813(VS.85).aspx BITSadmin examples here:  http://msdn.microsoft.com/en-us/library/aa362812(VS.85).aspx   Here…

0

Issue adding a host to SCVMM when that host has more than 16 processors

It has come to our attention that trying to add a computer with more than 16 processors (for example a quad six-core machine with 24 processors) is crashing the VMM server with the following exception: 09435 00009433 273.19396973 [5684] 1634.16A4::07/22-20:50:29.545#26:VmRefresher.cs(182): System.InvalidOperationException: Nullable object must have a value.09436 00009434 273.19396973 [5684] at System.Nullable`1.get_Value()09437 00009435 273.19396973 [5684]…

0