To check if POP3 proxy enable: (Get-ServerComponentState -Identity "Server_Name" -Component PopProxy).LocalStates If you don’t get state=Active then start it : Set-ServerComponentState -Identity "Server_Name" -component PopProxy -state Active -requester HealthAPI

Some time you need to forcefully move and activate the passive database in a DAG environment . You can do it with all the “skip..” checks :   Move-ActiveMailboxDatabase -Identity

Open Exchange Powershell : Get-MailboxStatistics -Database "Mailbox Database" | Select-object PrimarySmtpAddress, DisplayName, ItemCount, TotalItemSize | Sort-Object TotalItemSize -Descending | Export-CSV C:\MBSizes.csv

To check all server: Get-Mailbox | Get-MailboxStatistics | Where {$_.IsQuarantined –eq $True} Single : Get-MailboxStatistics "User_Name" | fl IsQuarantined Release : Disable-MailboxQuarantine"User_Name" Delete regkey : HKLM\SYSTEM\CurrentControlSet\Services\MSExchangeIS\<ServerName>\Private-{dbguid}\QuarantinedMailboxes\{mailbox guid} Fix mailbox :

Open Exchange Powershell: cd "C:\Program Files\Microsoft\Exchange Server\V14\Scripts" To check db state: .\RedistributeActiveDatabases.ps1 -DagName "Your_DAG_Name" -ShowDatabaseDistributionByServer | ft To Re-balance DB :   .\RedistributeActiveDatabases.ps1 -DagName "Your_DAG_Name" -BalanceDbsByActivationPreference

Example 1:   New-MailboxRepairRequest -Mailbox tony@contoso.com -CorruptionType FolderView   Example 2: This example only detects and reports on ProvisionedFolder and SearchFolder corruption issues to Ayla Kol’s mailbox. This command doesn’t