Visual Studio on Remko's Blog

non-existent schema type 'Snmp!System.SnmpVarBindsSchema' error in SCOM

Sun, 13 Jul 2014 23:50:59 +0000

Today I encounterd what seems to be a bug in the System Center 2012 Visual Studio Authoring Extensions. I wanted to define a Performance Collection Rule that reads out the percentage of free memory from an SNMP device.

Since the device returns only the percentage of used memory I needed to use the ComputedPerfProvider provider to substract the used memory percentage from 100.

I could of course report used memory instead of free memory but I wanted the resulst to appear in the default SCOM Performance View, which only lists Free Memory:

Where to find System.NetworkManagement.Monitoring.mp?

Sun, 13 Jul 2014 13:22:13 +0000

I am currently working on a Management Pack for SCOM and I have studies a few examples on adding processor and memory counters.

These examples all reference a Management Pack named "System.NetworkManagement.Monitoring.mp" but this Management Pack is not bundled with the System Center 2012 Visual Studio Authoring Extensions.

Error MSB4018 when building a Management Pack with Visual Studio Authoring Extensions

Tue, 08 Jul 2014 14:38:56 +0000

I am currently working on a Management Pack for System Center Operations Manager (aka SCOM). I am using the System Center 2012 Visual Studio Authoring Extensions and during build of my project I suddenly got the following error: “MSB4018: The “MergeFragments” task failed unexpectedly”:

I searched on this error message but wasn’t able to find anything helpful. In order to get more detailed output from MSBuild I changed the MSBuild project build output verbosity. To do this go to the Tools menu in Visual Studio and select Options. Navigate to the “Build and Run” node under “Projects and Solutions” and set both options to “Diagnostic”: