SCOM

SCOM 2007 SP1 – Parameters not working with custom tasks

Scenario: I wanted to create a task to allow a remote console (cmd line) to target machines. I have seen this done several times in MOM2005 using PSExec (http://www.it-jedi.net/HOW-TO/HOW-TO-Remote_Interactive_CmdPrompt.doc) so it should be a simple matter of translating this to the new formats.

I created a new Console Tasks Command line,
– Name: Remote Console
– Task target: Agent
– Application: \wtmsscom1scriptspsexec.exe
– Parameters: \$Target/Property[Type= SystemLibrary6050000!System.Entity ]/DisplayName$ cmd
– Working Directory: \wtmsscom1scripts

When I execute the task I get the following:
———————————————————-
PsExec v1.43 – execute processes remotely
Copyright (C) 2001-2003 Mark Russinovich
www.sysinternals.com

Connecting to $Target/Property[Type=…
The network path was not found.

Couldn’t access $Target/Property[Type=:
Make sure that the default admin$ share is enabled on $Target/Property[Type=.

———————————————————-

For some reason, the parameter is not being substituted by SCOM properly. I validated there were now typo’s or other errors, but nothing seemed to work. As a last resort I exported the MP and viewed the XML — bingo!

\wtmsscom1scriptspsexec.exe\$Target/Host/Property[Type=SystemLibrary6050000!System.Entity]/DisplayName$cmd\wtmsscom1scripts

Somehow the parameter is being parsed into 3 separate parameters, a bit of editing and I come up with the following which imports and executes properly:

\wtmsscom1scriptspsexec.exe\$Target/Host/Property[Type=”SystemLibrary6050000!System.Entity”]/DisplayName$cmd\wtmsscom1scripts



Was I missing something here? Is this a bug in SP1?

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Update (12/18) it looks like somehow the attribute is being misinterpreted by SCOM and the quotes are the cause. Below is the line I entered, but after it is the line that SCOM sees, with the quotes replaced as spaces:

  • $Target/Host/Property[Type=”SystemLibrary6050000!System.Entity”]/DisplayName$
  • $Target/Host/Property[Type= SystemLibrary6050000!System.Entity ]/DisplayName$

If the SCOM console misinterprets the quotes as spaces, then it makes sense that the task wouldnt run properly. Hopefully this will be fixed prior to RTM or there will be a lot of mistakes make in my custom tasks.

One thought on “SCOM 2007 SP1 – Parameters not working with custom tasks

  1. Ed, it failed for me on Opsmgr 2007 for different reasons. I got Opsmgr to do the string replacement, but it keeps putting a space between the \ and the computer name, causing a failure….so still no help.

    That MOM 2005 version took me only 10 minutes to figure out. Wish it were still that easy.

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