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Fixing Citrix WMI errors 0x80041001 / 0x80041002 – XenApp 6

I am sure during your Operations Manager career you already faced some WMI errors while installing e.g. Active Directory or XenApp management packs. A few days ago I installed the XenApp 6.0 MP in SCOM 2007 R2. Suddenly errors 0x80041001 and 0x80041002 appeared in Active Alerts view. WMI errors are always kind of pain in […]

PowerShell – Hash Table Get That Value

When writing scripts I like to use PowerShell ISE or VSCode a lot. It simplifies a lot of your daily scripting tasks like IntelliSense or Snippets. But sometimes these little helper don’t tell always the truth. Why? Well, I show you an example which is quite common. On problem there is if you are working […]

SCOM 2012 – Event ID 7011 Service Control Manager Error

At a customers SCOM infrastructure I faced a very strange problem. The SCOM infrastructure consists of 2 management servers and 1 SQL server. Only one of the management servers stopped in certain time intervals responding to the agents and encountered the following symptoms: All agent computer which had this management server as primary management server […]