With its wide range of usefulness in implementing conditional logic, expression evaluation, and error filtering, the System.ExpressionFilter module is likely to be a frequently used module in most OpsMgr Management Pack authoring scenarios. However, the default configuration for the System.ExpressionFilter module may lead to a potential syntax error that is quite easy to miss, in my [...]
Filed under: Management Packs, Powershell, System Center Operations Manager | 1 Comment »
While I’m finalizing some work on the Oracle SCX management pack, I wanted to interrupt that series of posts to make a post walking through the use of one of the OpsMgr R2 PowerShell modules –something that I have been meaning to write up for some time. The addition of native PowerShell modules was one of [...]
Filed under: Management Packs, Powershell, SCOM, System Center Operations Manager | Leave a Comment »
In this post, I described the use of PowerShell for the purpose of generating a report of all members of a particular group, including nested groups. The script utilized ADSI calls to the WinNT:// provider to recursively retrieve both local and domain group members. However, it was brought to my attention that the WinNT:// provider cannot [...]
Filed under: Audits, Powershell, Scripting | 7 Comments »
One of the realities of working with SNMP monitoring is that more often than not, the monitoring data are presented in a raw form that requires some kind of manipulation in order to render meaningful output. For example, required data manipulation may be a simple arithmetic operation on two values to calculate a percentage, or [...]
Filed under: Management Packs, Powershell, SCOM, Scripting, SNMP, System Center Operations Manager, WSH | 4 Comments »
It seems like a favorite request of auditors is one for lists of all members of a set of local or domain groups that are associated with a resource that is being audited, and these requests typically stipulate that all members of nested groups must be listed as well (i.e. full recursion). I used to [...]
Filed under: Audits, Misc., Powershell | 2 Comments »
It’s easy to argue the case for keeping accurate documentation of SCOM management pack monitors and customizations, both for the abstract purpose of maintaining good documentation, as well as the more practical purpose of being able to answer the “can you list what is being monitored?” question. However, it can be tedious to keep on [...]
Filed under: Powershell, SCOM, System Center Operations Manager | 3 Comments »
While a comprehensive deployment of server and application monitoring is a vital service for many enterprises, this can lead to headaches when it comes to routine maintenance due to server patching. Of course, it is good security practice to apply patches as they become available (e.g. monthly), but the regular required reboots can lead to [...]
Filed under: Maintenance Mode, Powershell, SCOM, System Center Operations Manager | 64 Comments »
