I have two mail servers 2016 + one mail server 2013 in another site, it logically keeps the network archive.
Recently import/export mailbox stopped working
In Windows log: MSExchange Mailbox Replication с ID 1008
The mailbox replication service has deleted a lost move request.
Mailbox Database GUID: d927f5fe-a0de-4965-bcd4-0178087649b9
Mailbox GUID: 08320a19-5ab6-48ce-b40e-90279632213a
Mailbox ID: d927f5fe-a0de-4965-bcd4-0178087649b9\08320a19-5ab6-48ce-b40e-90279632213a
Verification message: Could not find valid index entry for query 'd927f5fe-a0de-4965-bcd4-0178087649b9\08320a19-5ab6-48ce-b40e-90279632213a'.
Get-MailboxExportRequest/Get-MailboxImportRequest status is stuck in Queued
Get-MailboxImportRequest | Get-MailboxImportRequestStatistics -IncludeReport | flCouldn't find a move request that corresponds to the specified identity '08320a19-5ab6-48ce-b40e-90279632213a'
New-MailboxRepairRequest -databasedid not give a result