A customer has a single server configuration, whose the application role and The storage role are on the same server (as in the Single server configuration). Users are able to leave messages and…

A customer has a single server configuration, whose the application role and The storage role are on the same server (as in the Single server configuration). Users are able to leave messages and retrieve well, but when they log into the mailbox it prompts, "Some features may not be available at the moment". Additionally, when they review and press 7 to delete the message, they receive the error deleting messages did not work temporarily. What are two troubleshooting checks that should be conducted? (Choose two.)