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Kevin Holman's System Center Blog
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Blog Post:
How to get your agents back to “Remotely Manageable” in OpsMgr 2007 R2
Kevin Holman
You may notice that there are actions you might want to take on an agent, that are grayed out and not available in the console. There actions might include: Change Primary Management Server Repair Uninstall See the below image for an example: This is caused by a flag in the database, which...
on
20 Feb 2010
Blog Post:
Tuning tip: Do you have monitors constantly “flip flopping” ?
Kevin Holman
This is something I see in almost all clients when we perform a PFE Health Check. The customer will have lots of data being inserted into the OpsDB from agents, about monitors that are constantly changing state. This can have a very negative effect on overall performance of the database...
on
21 Dec 2009
Blog Post:
The new and improved guide on HealthService Restarts. Aka – agents bouncing their own HealthService
Kevin Holman
I have written many articles in the past on HealthService restarts. A HealthService restart is when the agent breaches a pre-set threshold of Memory use, or handle count use, and OpsMgr bounces the agent HealthService to try and correct the condition. The Past: Here are a few of the previous articles...
on
21 Dec 2009
Blog Post:
29106 event on RMS – Index was out of range. Wait. What?
Kevin Holman
Was working with a customer on this one – figured it might help others. Saw a lot of these VERY SPECIFIC 29106 events on the RMS, specifically with the text: System.ArgumentOutOfRangeException: Index was out of range. Must be non-negative and less than the size of the collection. Here is...
on
10 Nov 2009
Blog Post:
Keep your management pack names SHORT in SP1!
Kevin Holman
I have seen this twice now… so I will blog about it. It seems to be rare in the wild, but it will completely cripple a management group when this occurs. So beware SP1 users! This article does not apply to R2. This is only an issue in OpsMgr 2007 SP1. When you create your...
on
2 Oct 2009
Blog Post:
Fixing troubled agents
Kevin Holman
Sometimes agents either will not “talk” to the management server upon initial installation, and sometimes an agent can get unhealthy long after working fine. Agent health is an ongoing task of any OpsMgr Admin’s life. This post in NOT an “end to end” manual of all the factors that influence agent...
on
1 Oct 2009
Blog Post:
Health Service and MonitoringHost thresholds in R2 – how this has changed and what you should know
Kevin Holman
**Updated 12-21-2009 This post is OLD, and the way this process works has changed. Please see the updated post at: http://blogs.technet.com/kevinholman/archive/2009/12/21/the-new-and-improved-guide-on-healthservice-restarts-aka-agents-bouncing-their-own-healthservice.aspx
on
22 Jun 2009
Blog Post:
R2 – Improved Agent Proxy Alerts
Kevin Holman
Here is a nice add in R2: When we give you the old “agent proxy alert”, we now tell you the name of the Agent that needs agent proxy enabled, and resolve the name of the object type that it was bringing in: Nice improvement. I enable agent proxy for SQL1CLN2 and get on with my day...
on
7 Apr 2009
Blog Post:
Are your agents restarting every 10 minutes? Are you sure?
Kevin Holman
**Updated 12-21-2009 This post is OLD, and the way this process works has changed. Please see the updated post at: http://blogs.technet.com/kevinholman/archive/2009/12/21/the-new-and-improved-guide-on-healthservice-restarts-aka-agents-bouncing-their-own-healthservice.aspx
on
26 Mar 2009
Blog Post:
The Cluster Service will automatically restart itself
Kevin Holman
Something I ran across with a customer. There aren’t many situations where service recoveries run automatically in Microsoft MP’s, but this is one case where they do. The cluster service running is critical to a healthy cluster. In the current cluster MP, the service monitor for the cluster...
on
20 Mar 2009
Blog Post:
Getting and keeping the SCOM agent on a Domain Controller – how do YOU do it?
Kevin Holman
I’d like to hear some community feedback on this…. In OpsMgr – deploying a SCOM agent to a DC often presents companies with a bit of a challenge. The reason is – in order to install software to a DC and manage it – we need rights on the DC to accomplish this. These rights are needed...
on
20 Feb 2009
Blog Post:
Console based Agent Deployment Troubleshooting table
Kevin Holman
This post is a list of common agent push deployment errors… and some possible remediation options. Most common errors while pushing an agent: Error Error Code(s) Remediation Steps The MOM Server could not execute WMI Query "Select * from Win32_Environment where NAME='PROCESSOR_ARCHITECTURE...
on
27 Jan 2009
Blog Post:
Agent Pending Actions can get out of synch between the Console, and the database
Kevin Holman
When you look at your agent pending actions in the Administration pane of the console.... you will see pending actions for things like approving a manual agent install, agent installation in progress, approving agent updates, like from a hotfix, etc. This pending action information is also contained...
on
29 Sep 2008
Blog Post:
A report to show all agents missing a specific hotfix
Kevin Holman
This is a continuation of my previous post on determining which agents are missing a hot-fix: How do I know which hotfixes have been applied to which agents- I wrote up a report that allows you to paste in a KB article number into the report as a parameter, and then it will show all agents that are potentially...
on
27 Jun 2008
Blog Post:
Which servers are DOWN in my company, and which just have a heartbeat failure, RIGHT NOW?
Kevin Holman
In OpsMgr 2007, when a agent experiences a heartbeat failure, several things happen. There are diagnostics, and possibly recoveries that are run. Alerts, and possibly notifications go out. But what happens if my Operations team misses on of these alerts...
on
27 Jun 2008
Blog Post:
Agent Proxy alerts - finding the right machine to enable agent proxy on using a custom report
Kevin Holman
Certain types of agents need the agent proxy setting enabled. These are documented in various guides... such as Exchange Active Directory, Cluster nodes, etc... However, sometimes, we still get alerts that Agent Proxy needs to be enabled for a HealthService. The problem is... the Alert often...
on
27 Jun 2008
Blog Post:
How do I know which hotfixes have been applied to which agents?
Kevin Holman
***UPDATE*** A new hotfix has been released, which is a simple updated management pack.... which fixes the Patchlist table to include all hotfixes, and cleans up the formatting. I recommend you get it and install it on your SP1 environments. http://support.microsoft.com/kb/958253 -------------...
on
24 Jun 2008
Blog Post:
Event ID 2115 A Bind Data Source in Management Group
Kevin Holman
I see this event a lot in customer environments. I am not an expert on troubleshooting this here... but saw this post in the MS newsgroups and felt it was worth capturing.... My experience has been that it is MUCH more common to see these when there is a management pack that collects way too much...
on
21 Apr 2008
Blog Post:
Installing the OpsMgr 2007 agent on an ISA 2004 or ISA 2006 server
Kevin Holman
When you want to manage and monitor an ISA server, you need to install the OpsMgr agent. However, there is no guide published for the OpsMgr 2007 ISA MP..... It comes with the MOM 2005 guide. In ISA, there was a system policy which you could enable for MOM. This would open the...
on
11 Feb 2008
Blog Post:
Agent discovery and push troubleshooting in OpsMgr 2007
Kevin Holman
OpsMgr 2007 Agent troubleshooting: There is a GREAT graphical display of the Agent discovery and push process, taken from: http://blogs.technet.com/momteam/archive/2007/12/10/how-does-computer-discovery-work-in-opsmgr-2007.aspx Agent Prerequisites: Supported Operating System Version (see below...
on
12 Dec 2007
Blog Post:
Antivirus Exclusions for MOM and OpsMgr
Kevin Holman
Antivirus Exclusions in MOM 2005 and OpsMgr 2007: Processes: Excluding by process executable is very dangerous, in that it limits the control of scanning potentially dangerous files handled by the process, because it excludes any and all files involved. For this reason, unless absolutely...
on
12 Dec 2007
Blog Post:
Bulk enable of agent proxy setting
Kevin Holman
As you know.... this setting must be enabled for many agents under OpsMgr 2007. Primarily - for Active Directory, Exchange, Cluster node servers, SMS, and Sharepoint 2007 server agents. We have a ton of choices out there on how to easily enable this setting for multiple computers at once: GUI...
on
13 Nov 2007
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