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Thursday, July 19, 2012

New-MailboxExportRequest Couldn't connect to the source mailbox

After reconnecting a disabled mailbox and attempting to run an export request you receive the following error:

[PS] C:\Windows\system32>New-MailboxExportRequest user1 -FilePath "\\dcexmailp01\PST Dumps\srosenwinkel1.pst"

Couldn't connect to the source mailbox.

+ CategoryInfo : NotSpecified: (0:Int32) [New-MailboxExportRequest], RemoteTransientException

+ FullyQualifiedErrorId : EC413571,Microsoft.Exchange.Management.RecipientTasks.
You attempt to log into webmail and you receive:

Exception type: Microsoft.Exchange.Data.Storage.AccountDisabledException

Exception message: Cannot open mailbox /o=first organization/ou=exchange administrative group (fydibohf23spdlt)/cn=recipients/cn=user1.
In this instance I reconnected a disconnected mailbox to a new user. Thinking it was the DS cache I waited for some time. There is a KB article
"You cannot access a mailbox for several hours after you disconnect and then reconnect the mailbox in an Exchange Server 2010 SP2 environment" which says to install SP2 RU3 which is already installed.

After some time had elapsed, I attempted to disable the mailbox and reconnect and still same error.
When you run get-mailboxstatistics user1 |fl you see
DisconnectDate : 2/3/2013

DisconnectReason : Disabled
To resolve this error, once you have reconnected the mailbox you have to run
get-mailboxdatabase |clean-mailboxdatabase again.
James Chong
Security+, Project+, ITIL


Anonymous Email archiving software said...

Cool tips, and easy!

7:46 AM  
Blogger sree said...

any idea why this command now working

New-MailboxExportRequest -ContentFilter {(Participants -eq ‘’) -and (Received -gt ’03/03/2012′)} -Mailbox “cmmMERTZ” -FilePath \\pitxxx\pst\sn.pst

not working and Just Generating 256kb file. please help in running the correct command

8:50 PM  
Anonymous Koen Zomers said...

Works great, thanks!

5:17 AM  
Anonymous Rory Welch said...

Great ideas and info..It helps me a lot.

2:22 PM  
Anonymous EJBM said...

Thank you so much for this post! Struggled for half a day trying to figured out what was wrong with my export job.

Many thanks!

1:12 PM  
Anonymous Anonymous said...

My case was for disabling MAPI access to the mailbox, after enabling the same all worked fine. Till then I was getting the following error;
Couldn't connect to the source mailbox.
+ CategoryInfo : NotSpecified: (0:Int32) [New-MailboxExportRequest], RemotePermanentException
+ FullyQualifiedErrorId : 489E274E,Microsoft.Exchange.Management.RecipientTasks.NewMailboxExportRequest

12:08 AM  
Blogger Grant Thompson said...

One thing I have seen is when Outlook Online mode is blocked by group policy or set manually on a mailbox export requests will fail. You can use Set-CASMailbox -MAPIBlockOutlookNonCachedMode $false to fix if group policy will not override it. Otherwise adjust the policy.

10:45 PM  
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7:29 PM  

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xml:lang="en" lang="en"> MS Exchange Tips: New-MailboxExportRequest Couldn't connect to the source mailbox