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SCOM – Agent in DMZ “Not Monitored” Event ID 20071

You want to monitor an agent in the DMZ and you are sure you implemented everything correctly but the agent just does not turn green. The agent just stays in a “Not Monitored” state. I checked EVERYTHING… Checked certificate template Checked certificates itself Compared the certificate serial number in the registry of the agent and […]

SMA – Error “Root element is missing”

While I was building SMA runbooks in the past couple of months I bumped into this rather strange error. So happen few days ago, I tried to call (invoke) a child runbook, from a parent runbook function. SMA returned an error “Root element is missing” I simplified the structure so it looks like this… Function […]

PowerShell – Create a Credential Object with NULL Password

In one of my automation tasks I had the need to create a credential object with a $null password – an empty / NULL password. One easy way to do is, create just instantiate a new secure string object using the new() constructor from the .Net class like this: or using New-Object cmdlet like this […]