You can increase the retry interval by adding/adjusting the following key in the registry on the coordinator server:
Database Retry Interval In Seconds
Location: Registry
Path: HKEY_LOCAL_MACHINE\SOFTWARE\Quest\ChangeAuditor\Coordinator
Value Name: DatabaseRetryIntervalInSeconds
Value Type: DWORD The database reconnect interval in seconds
Value: Default 60
Value: Consider increasing if the customer's coordinator is experiencing login failures due to a SQL server restart (e.g., during a patch). 3 attempts are made to reconnect to the database.