So recently I came across a reported issue where the end user was getting this error message “The message store has reached its maximum size. to Reduce the amount of data in this message store, select some that you no longer need, permanently (shift + del) delete them.”

After a quick review I found that at the DB level a quota was still in palce so I swiftly removed it to resolve the issue.

[PS] C:\Windows\system32>New-MoveRequest -Identity ‘’ -TargetDatabase “dbNAME” Mailbox dumpster size 30 GB (32,212,266,090 bytes) exceeds target quota 30 GB (32,212,254,720 bytes). + CategoryInfo : InvalidArgument: ( [New-Mov entTaskException + FullyQualifiedErrorId : 7E4E00C3,Microsoft.Exchange.Management.RecipientTasks.NewMoveRequest

[PS] C:\Windows\system32>Get-MailboxDatabase -Identity “dbNAME” | Format-List *

PSComputerName : RunspaceId : 126bfdd8-485e-87cd-35f810d32d44 JournalRecipient : MailboxRetention : 24855.00:00:00 OfflineAddressBook : \Default Offline Address List OriginalDatabase : PublicFolderDatabase : PF00 ProhibitSendReceiveQuota : unlimited ProhibitSendQuota : unlimited RecoverableItemsQuota : 30 GB (32,212,254,720 bytes) RecoverableItemsWarningQuota : 20 GB (21,474,836,480 bytes) IndexEnabled : True

[PS] C:\Windows\system32>Get-MailboxDatabase -Identity “dbNAME” | Format-List RecoverableItemsQuota,RecoverableItemsWarningQuota

RecoverableItemsQuota : 30 GB (32,212,254,720 bytes) RecoverableItemsWarningQuota : 20 GB (21,474,836,480 bytes)

[PS] C:\Windows\system32>Set-MailboxDatabase -Identity “dbNAME” -RecoverableItemsWarningQuota Unlimited [PS] C:\Windows\system32>Set-MailboxDatabase -Identity “dbNAME” -RecoverableItemsQuota Unlimited

[PS] C:\Windows\system32>Get-MailboxDatabase -Identity “dbNAME” | Format-List RecoverableItemsQuota,RecoverableItemsWarningQuota

RecoverableItemsQuota : unlimited RecoverableItemsWarningQuota : unlimited

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