An issue to keep an eye our for in your SCOM and SCSM envionments
This KB article contains 5 potential workarounds if you find yourself experiencing the below problem:
After applying the following update, the System Center Data Access service or the System Center Management Configuration service may fail to start with a time-out error.
Also, after opening the Service Manager console the following error may be displayed:
Reporting Data Warehouse management Server is currently unavailable. You will be unable to view reports or administer the Data Warehouse until this server is available. Please contact your system administrator. After the server becomes available please close your console and re-open to connect.