A warning message on the Agent Summary indicates an issue with SQL DB. Please refer to the screenshot.
Please follow the Microsoft KB 956013 as show below .
To work around this problem, open a command prompt, type the following command, and then press ENTER:
Note For this command to succeed, the Sqlmgmproviderxpsp2up.mof file must be present in the %programfiles(x86)%\Microsoft SQL Server\number\Shared folder.
The value of number depends on the version of SQL Server:nnn
|Microsoft SQL Server 2012||110|
|Microsoft SQL Server 2008 R2||100|
|Microsoft SQL Server 2008||100|
|Microsoft SQL Server 2005||90|
After you run the Mofcomp tool, restart the WMI service for the changes to take effect. The service name is Windows management Instrumentation.
If the above steps does not help then please reach out to Microsoft support .