# When to use a service request
<a name="service-request-when-to-use"></a>

The following examples describe a service request:
+ AMS or AWS general guidance
+ Patch MW related questions
+ Backup schedule related questions
+ Questions about the functionality of AWS services

The following are examples of what shouldn't be raised in a service request:
+ Access issues
+ Patch failure
+ Backup failure
+ RFC failure or RFC that causes business interruption (Use Incident for business interruption)
+ RFC questions or additional input or change of RFC scope (Use RFC bidirectional correspondence)