Today I had been playing around with System Center Advisor and I bumped into an issue where I could not connect to the System Center Advisor service.
The error was…
Error 3000: Unable to register to Advisor Service. Please contact the system administrator.
To make things short, the thing is, that in the background certificates are used to communicate between SCOM and System Center Advisor and the time difference between both system must not be more than 5 minutes.
Therefore make sure when you create the connection, that your time of the SCOM server is synchronized with a public time source and the time difference is not more than 5 minutes, otherwise this error will occur.
Thanks to Daniele for commenting and providing this valuable input! All credits to him!