Error: Couldn't find system mailbox 'SystemMailbox{ca91aec5-b8cd-4370-9e8f-4df3a019dd80}' in Active Directory.

hi,

i get this error on servers Cas Hub

The Microsoft Exchange Mailbox Replication service was unable to process jobs in a mailbox database.
Database: "bd-test"
Error: Couldn't find system mailbox 'SystemMailbox{ca91aec5-b8cd-4370-9e8f-4df3a019dd80}' in Active Directory.

i see in container Microsoft Exchange System Objects this systemmailbox