Hi Dear,
when i run Get-OfflineAddressBook | fl command in Exchange powershell it is empty.but for Get-Mailbox -Arbitration | where {$_.PersistedCapabilities -like "*oab*"} | ft name,database ,result is:
Name Database
---- --------
SystemMailbox{bb558c35-97f1-4cb9-8ff7-d53741dc928c} Mailbox Database 0579140340
also i find that in location of OAB folder :C:\Program Files\Microsoft\Exchange Server\V15\ClientAccess\OAB there is no folder named {bb558c35-97f1-4cb9-8ff7-d53741dc928c} for OAB or deleted.
when i want create new OAB AD error occurred and maybe the object of OAB dose not exist.
is any help to repair this problem.
thank you.