Running 2012R2 with exchange 2013 CU20 the MSExChangeRepl service error out repeatedly. I have research it a bit and found several article instructing me to do the this command
Wevtutil.exe cl "Microsoft-Exchange-MailboxDatabaseFailureItems/Operational"
Which I did last night but the error is still happening and its preventing our logs from being truncated during backup.
The error is in application logs, event ID 4401 source MSEchangeRepl