SUMMARY
Unable to enable or create schedules for SQL or Exchange backups for certain servers
ISSUE
When trying to enable a disabled schedule for SQL or Exchange getting the error message "Schedule cannot be enabled. It is associated with protected assets configured to do application aware backups"
RESOLUTION
Uncheck the box "Allow application aware?" in the "Show Image Level Backup Settings" option at the bottom of the edit protected asset dialogue.
Navigate to Configure > Protected Assets, select the server with SQL or Exchange exhibiting this behavior and click Edit, then uncheck the option at the bottom as indicated in the picture above
CAUSE
Selecting this will disable all SQL and Exchange job schedules for this asset! Also, any SQL or Exchange instances included in Windows Replicas for this asset will become unusable! Refer to the Admin Guide for more information.