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CmdID / PowerShell / Cmdlets / Mount

Mount-Database

Use the Mount-Database cmdlet to mount mailbox databases on Exchange servers. Exchange PowerShell reference

From the Exchange PowerShell reference 7 parameters Its page in the reference

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Parameters

7 in the Exchange PowerShell reference
-IdentityThe Identity parameter specifies mailbox database that you want to mount.
-AcceptDataLossThe AcceptDataLoss switch specifies that you accept the data loss caused by missing committed transaction log files without asking for confirmation.
-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.
-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.
-ForceThe Force switch hides warning or confirmation messages.
-NewCapacityThe NewCapacity switch specifies that you want to trigger the forced creation of a database only if all copies of the database don't have an .edb file.
-WhatIf, -wiThe WhatIf switch shows what the command does without making any changes.