Help! We've decommissioned an Exchange cluster. The physical nodes have been turned off and I'm now trying to delte them from SCOM. When I try to delete the agents from "Agent Managed" viewI get the message:

"Agent is managing other devices and cannot be uninstalled. Plese resolve this issue via Agentless Managed view in Administration prior to attempting uninstall again."

If I try to delete the virtual nodes from the "Agenless Managed" view, nothing happens. How do I delete these??

Are you running R2? I found this http://technet.microsoft.com/en-us/library/dd827187.aspx

You cannot uninstall or delete an agent from a node in a cluster

When you try to uninstall or delete an agent from a node in cluster, the following error message is displayed:

Copy Code

Agent is managing other devices and cannot be uninstalled. Please resolve this issue via Agentless managed view in Administration prior to attempting uninstall again.

Notice that the agent can be uninstalled from the node that is agentlessly managing the virtual servers. However, the agent cannot be uninstalled from the node that is managing the virtual servers.

Workaround: None at this time.

Yeah, I think I saw that as well. THere's got to be a way to get rid of them????? I don't like having dead agents sitting sround in my console :(.

You might want to check http://ops-mgr.spaces.live.com/blog/cns!3D3B8489FCAA9B51!163.entryor http://www.techlog.org/archive/2008/07/29/stale_computer_objects_in_oper, I am not sure if there is any supported way of doing this as "Workaround: None at this time" is noted in http://technet.microsoft.com/en-us/library/dd827187.aspx.

I think the one at techlog is when you delete a agent under the administrator workspace, but the computer is still under the monitoring workspace. You can mark it as deleted in the database, but editing directly in the database is not supported I belive.

only way to get rid of it is thru direct access to DB which will nullify your warranty. If you can create similar cluster environment again, then proper steps are:

How to decommission a cluster monitored by System Center Operations Manager 2007

Introduction

This article describes the steps necessary to stop monitoring a cluster that will be decommissioned and is currently being monitored with System Center Operations Manager 2007.

More Information

In order to remove monitoring of the cluster, perform the following steps

1. Remove the Operations Manager agent from all nodes of the cluster being decommissioned

2. Ensure that all the cluster nodes (including the virtual cluster nodes) are no longer visible in the Operations Manager console by checking the Agent Managed and Agentless Managed views under the Administration section of the Operations Manager console.

3. Proceed with decommissioning the cluster

Applies to

Microsoft System Center Operations Manager 2007 RTM, SP1 and R2 editions

now one of the guys here did this, but again, this is not supported

Used this article http://ops-mgr.spaces.live.com/blog/cns!3D3B8489FCAA9B51!163.entryand only did step 3

UPDATE dbo.[BasemanagedEntity]

SET IsDeleted = 1

where BaseManagedEntityID=<# from event log here>

I have the same question as Felyjos. If you're unable to uninstall an cluster node agent from the console, http://technet.microsoft.com/en-us/library/dd827187.aspx, how are you supposed to validate step 2 in Marius' post?

2. Ensure that all the cluster nodes (including the virtual cluster nodes) are no longer visible in the Operations Manager console by checking the Agent Managed and Agentless Managed views under the Administration section of the Operations Manager console.

Uninstalling an agent from add/remove programs will not remove it from the SCOM console, correct?

Bubslg, it seems multiple answers have been unmarked. Any update on if or how you  resolved this?

If the cluster has decommissioned (as was stated in the original post) then the 2 correct answers are:

a) Anders - it can't be done (well, at least not in a supported way)

b) Marius - using the blog link supplied (which isn't supported but does work - I have had to do it on a customer site where they decommissioned the cluster without following the proper process). Close your eyes, clench your buttocks and pray ... works everytime (at your own risk) ;-)
http://ops-mgr.spaces.live.com/blog/cns!3D3B8489FCAA9B51!163.entry

Cheers

Graham

Most of the proposed answers don't answer the original question "How do I get rid of previously decommisioned cluster nodes from SCOM?".  The only proposed answer that might actually be an answer is the one mentioning hacking the DB.  I haven't been able to confirm that one yet, haven't had time.  I want to run this problem through PSS and see what the "Official" answer is.

Dean

i have not seen the error that you mention but what if you uncheck the "act as a proxy" option before deleting the agent?

Best Regards,

Hi Dean

The official answer was given by Anders - that is an official KB Article that says it can't be done. And it is correct - from the GUI (supported) it can't be done.

The hack that Marius mentions and I give the full url to above has worked for me but as ever, use at your own risk.

A PSS call is always good for reassurance but they will just point you back at the official response:
http://technet.microsoft.com/en-us/library/dd827187.aspx

Trying to change "act as proxy" will have no effect. I am not defending the official answer but at the moment that is the way it is. Please feel free to add this to the connect site so that we can all get it fixed.

It is important to follow a process to decommission servers with OpsMgr agents.

Cheers

Graham

Yes, add-remove programs.

Hi Bubslg and hi all, I tried to summarize cluster issues in this post http://nocentdocent.wordpress.com/2009/10/18/r2-and-cluster-monitoring-time-is-running-out/I set a possible solution, even if it is unsupported, for your issue as well.

I faced the same issue on Clustered Mailbox Servers & resolved it by:

1- Uninstalling the agents manually from all nodes

2- deleting the managment packs (all dependent as well)

3- I went to Agentless Managed, and deleted the cluster resource

4- I went to agent managed & then i successfully deleted the agents

Well, here we are 5 years later and still no real resolution to this problem, even with 2 major revisions of the software!!  What's going on M$??  I still cannot properly remove SCOM agents from cluster nodes in a clean and supported fashion in SCOM 2012!  Please Micro$oft FIX THIS PROBLEM!!!!!!

Well, here we are 5 years later and still no real resolution to this problem, even with 2 major revisions of the software!!  What's going on M$??  I still cannot properly remove SCOM agents from cluster nodes in a clean and supported fashion in SCOM 2012!  Please Micro$oft FIX THIS PROBLEM!!!!!!

Same here. Same issue over and over. My clients server guys love it when this happens year over year.

Hi There,

Correct but alternate not recommended option is to Delete it directly from the Ops DB By using the below query

UPDATE dbo.[BasemanagedEntity]

SET IsDeleted = 1

where Fullname like '%SCOM Agent FQDN%

Yup.  there are all manner of "unsupported" workarounds available.  the issue here is M$ STILL have no documented procedure that THEY will support for doing this.