No valid maintenance certificate found for system

Error:

No Valid Maintenance Certificate found for system

Scenario:

While executing SPAM tcode system gives warning Missing maintenance certificate. 

Resolution:

As per sap system need to have oracle maintenance certificate. This certificate need to be applying once in three months.

Downloading Certificate

1. You can download oracle maintenance certificate from Solution manager by going to transaction solman_workcenter > Change management > License management > Select the  system and Download Licenses.

2. Go to Service market place > Keys & Requests > Request License Keys > Select a system from list and proceed further as instructed > Download maintenance certificate to local pc.

Applying License

Go to TCode Slicense >  Click on Install Button > Select downloaded license script and Apply License Key.