Process Microsoft Exchange ServiceHost.exe () (PID=7432). Object [CN=Default Offline Address List,CN=Offline Address Lists,CN=Address Lists Container,CN=Domain,CN=Microsoft Exchange, CN=Configuration,DC=ABCD,DC=local]. Property [PublicFolderDatabase] is set to value [ABCD.local/Configuration/Deleted Objects/Public Folder Store (OLD SERVER) DEL:86e18ca3-fd5540af-94c2-4803706b8f49], it is pointing to the Deleted Objects container in Active Directory. This property should be fixed as soon as possible.
I deleted the old exchange server in ASDI edit that we had migrated from. It's decommissioned and turned off. The new exchange server is running but I'm not sure what this error means or how to correct it.