Duplicated mailbox

Question

Duplicated mailbox

Juanma Gómez 21

Hi all,

Some strange things are happening on my Exchange Server 2013.

When I list all mailboxes in powershell, I get one user with the mailbox duplicated (one with 13 GB and the other one with 429 MB). He has been deleting emails today.

If I check his account on Exchange Administration Centre, the usage for this mailbox is 13GB.

Is it still compacting????.

Thanks for your replies.

BenOu-MSFT 586 Reputation points

2022-09-14T07:22:28.583+00:00
Hi@Juanma Gómez

Please provide me more information to analyze your issue:

What command did you previously use to get mailbox list?

Did you ever disable the user’s mailbox?

What is the result of the mailbox size if you run the “Get-MailboxStatistics -Identity "<mailbox name>" | FL TotalItemSize” command?
Juanma Gómez 21 Reputation points

2022-09-15T07:40:44.247+00:00

Hi,

Sorry for the delay in answering...

1.- I am using this command: Get-MailboxDatabase | Get-MailboxStatistics | Sort totalitemsize -desc | ft displayname, totalitemsize, itemcount
2.- I never disabler user´s mailbox. The user had a huge mailbox and I created a pst to load old messages.
3.- 13gb, but in the list it appears duplicated...

Thanks.
BenOu-MSFT 586 Reputation points

2022-09-15T08:38:06.967+00:00

Hi@Juanma Gómez

Please run the command of “Get-MailboxDatabase | Get-MailboxStatistics | where{$_.Displayname -eq "the duplicated mailbox’s name"} | ft Displayname, DiscnnectReason,TotalItemSize” in EMS to see the status of the duplicated mailbox.
Juanma Gómez 21 Reputation points

2022-09-15T12:54:57.623+00:00

Hi,

It only gives me the size of both mailboxes....

Thanks
BenOu-MSFT 586 Reputation points

2022-09-16T07:58:54.147+00:00

Hi

I am sorry that there is a typo mistake of ” DisconnectReason ” on the previous command I provided you. Please use the correct command “Get-MailboxDatabase | Get-MailboxStatistics | where{$_.Displayname -eq "the duplicated mailbox’s name"} | ft Displayname, DisconnectReason,TotalItemSize” now I provide you to confirm again the status of the duplicated mailbox.
Juanma Gómez 21 Reputation points

2022-09-16T12:04:57.67+00:00

Sorry, but I get exactly the same. The field DisconnectReason is empty....
BenOu-MSFT 586 Reputation points

2022-09-20T02:32:46+00:00
Please provide me more information to analyze your issue:

Can you also see the duplicated mailbox in EAC?

Did you ever do the Exchange Migration operation?

Do you only use Exchange Server2013 and not config Exchange Hybrid?
BenOu-MSFT 586 Reputation points

2022-09-22T09:20:43.76+00:00

Hi

Is there any update on this case?
Please feel free to drop us a note if there is any update.
BenOu-MSFT 586 Reputation points

2022-09-27T01:20:52.527+00:00

Hi

Is there any update on this case?
Please feel free to drop us a note if there is any update.
Juanma Gómez 21 Reputation points

2022-09-28T07:18:18.37+00:00
Hi,

Sorry for the late reply.

I will resume:

I only see one mailbox on EAC (the biggest one)

By Exchange migration do you mean "exporting" the mailbox to another database?

I only use Exchange Server 2013. Which are the advantages of using Exchange Hybrid?.

Thanks and best regards,

1 answer

Your answer

BenOu-MSFT 586 Reputation points

2022-09-14T07:22:28.583+00:00

Hi@Juanma Gómez

Please provide me more information to analyze your issue:

What command did you previously use to get mailbox list?

Did you ever disable the user’s mailbox?

What is the result of the mailbox size if you run the “Get-MailboxStatistics -Identity "<mailbox name>" | FL TotalItemSize” command?
Juanma Gómez 21 Reputation points

2022-09-15T07:40:44.247+00:00

Hi,

Sorry for the delay in answering...

1.- I am using this command: Get-MailboxDatabase | Get-MailboxStatistics | Sort totalitemsize -desc | ft displayname, totalitemsize, itemcount
2.- I never disabler user´s mailbox. The user had a huge mailbox and I created a pst to load old messages.
3.- 13gb, but in the list it appears duplicated...

Thanks.
BenOu-MSFT 586 Reputation points

2022-09-15T08:38:06.967+00:00

Hi@Juanma Gómez

Please run the command of “Get-MailboxDatabase | Get-MailboxStatistics | where{$_.Displayname -eq "the duplicated mailbox’s name"} | ft Displayname, DiscnnectReason,TotalItemSize” in EMS to see the status of the duplicated mailbox.
Juanma Gómez 21 Reputation points

2022-09-15T12:54:57.623+00:00

Hi,

It only gives me the size of both mailboxes....

Thanks
BenOu-MSFT 586 Reputation points

2022-09-16T07:58:54.147+00:00

Hi

I am sorry that there is a typo mistake of ” DisconnectReason ” on the previous command I provided you. Please use the correct command “Get-MailboxDatabase | Get-MailboxStatistics | where{$_.Displayname -eq "the duplicated mailbox’s name"} | ft Displayname, DisconnectReason,TotalItemSize” now I provide you to confirm again the status of the duplicated mailbox.
Juanma Gómez 21 Reputation points

2022-09-16T12:04:57.67+00:00

Sorry, but I get exactly the same. The field DisconnectReason is empty....
BenOu-MSFT 586 Reputation points

2022-09-20T02:32:46+00:00

Please provide me more information to analyze your issue:

Can you also see the duplicated mailbox in EAC?

Did you ever do the Exchange Migration operation?

Do you only use Exchange Server2013 and not config Exchange Hybrid?
BenOu-MSFT 586 Reputation points

2022-09-22T09:20:43.76+00:00

Hi

Is there any update on this case?
Please feel free to drop us a note if there is any update.
BenOu-MSFT 586 Reputation points

2022-09-27T01:20:52.527+00:00

Hi

Is there any update on this case?
Please feel free to drop us a note if there is any update.
Juanma Gómez 21 Reputation points

2022-09-28T07:18:18.37+00:00

Hi,

Sorry for the late reply.

I will resume:

I only see one mailbox on EAC (the biggest one)

By Exchange migration do you mean "exporting" the mailbox to another database?

I only use Exchange Server 2013. Which are the advantages of using Exchange Hybrid?.

Thanks and best regards,

Answer 1

Amit Singh 5,306

Check this MS Article for help - https://techcommunity.microsoft.com/t5/exchange-team-blog/permanently-clear-previous-mailbox-info/ba-p/607619

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Duplicated mailbox

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