Get-MailboxStatistics for an Office 365 mailbox returns MailboxLocation was not found when using GUID for the identity

Question

Get-MailboxStatistics for an Office 365 mailbox returns MailboxLocation was not found when using GUID for the identity

$variable | % { Get-MailboxStatistics -Identity $_.Exchangeguid | select totalitemsize} response from powershell

MailboxLocation was not found for id "XXXXXXXXXXXXXXXXXXXXXXXXXX".
    + CategoryInfo          : InvalidArgument: (e2c3bbfd-7835-45a3-8780-cb57b90fbd02:GeneralMailboxOrMailUserIdParameter) [Get-MailboxStatistics], MdbAdminTaskException
    + FullyQualifiedErrorId : [Server=AUXP273MB0245,RequestId=adb09c45-1466-4df4-ad93-3e4826f6b704,TimeStamp=4/5/2023 7:58:46 PM] [FailureCategory=Cmdlet-MdbAdminTaskExcept 
   ion] CA110007,Microsoft.Exchange.Management.MapiTasks.GetMailboxStatistics
    + PSComputerName        : outlook.office365.com
 

Regards - Hasan Reza

Answer 1

Hi @Hasan Reza ，

Could you clarify which GUID you are using? Based on you description, I tried testing in my lab tenant using ExchangeGuid and GUID, both can work properly :

In order to help narrow down, please double check if you are using the correct Guid value for the script. You can also try manually running the following command using the guid and see if it works:

Get-MailboxStatistics -Identity <Guid> | select totalitemsize

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