SCOM 2012 - Receiving alerts 'Operations Manager evaluation version about to expire'

The Set-SCOMLicense  cmdlet fails if the management group evaluation expiration time-out has expired.

If the product has been expired, you cannot open SCOM 2012 console and shell. In the situation, you can try the following steps to bring it back.

1.   Change system time.

2.   Open an elevated Windows PowerShell command window;

3.   Type command import-module OperationsManager

4.   Type command Set-SCOMLicense –ProductID xxx

5.   Reboot the management server.

Then you can use your SCOM now.