Exchange 2007 System Attendant mailbox full
Hi all, I am receiving a lot of NDRs on my postmaster mailbox with the following reason; Delivery has failed to these recipients or distribution lists: Microsoft System Attendant The recipient's mailbox is full and can't accept messages now. Microsoft Exchange will not try to redeliver this message for you. Please try resending this message later, or contact the recipient directly. Sent by Microsoft Exchange Server 2007 Diagnostic information for administrators: Generating server: #550 5.2.2 STOREDRV.Deliver: mailbox full. The following information should help identify the cause: "MapiExceptionShutoffQuotaExceeded:16.18969:DF000000, 17.27161:000000008C000000000000000000000000000000, 255.23226:00000000, 255.27962:FE000000, 255.17082:DD040000, 0.26937:08000000, 4.21921:DD040000, 255.27962:FA000000, 255.1494:00000000, 255.26426:FE000000, 4.7588:0F010480, 4.6564:0F010480, 4.4740:05000780, 4.5721:DD040000, 4.6489:DD040000, 4.2199:DD040000, 4.17097:DD040000, 4.8620:DD040000, 255.1750:71040000, 0.26849:71040000, 255.21817:DD040000, 0.26297:71040000, 4.16585:DD040000, 0.32441:00000000, 4.1706:DD040000, 0.24761:00000000, 4.20665:DD040000, 0.25785:71040000, 4.29881:DD040000". ## What does it mean? How can i resolve this problem? Appreciate for your help. Thanks, Lin
May 12th, 2009 8:16am

Do you get any error regarding to SA mailbox in Event log of Exchange server? My response in below similar thread should help you in this regards... Tank | MVP - Exchange | MCITP:EMA MCSA:M |
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May 12th, 2009 9:16am

Hi Amit, Thanks for your information. I found my system attendant mailbox size was 30MB (which is not default i suppose). After increasing the mailbox size to 100 MB, i didn't see such NDR message anymore. There was no error in the event log. But i will keep monitoring it. Appreciate you. Thanks, Lin
May 17th, 2009 9:31am

You are welcome... :) Amit Tank | MVP Exchange Server | MCITP:EMA MCSA:M |
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May 17th, 2009 2:00pm

We have a similar problem on our Exchange 2007 SP1 cluster. The System Attendant mailbox default size was 100MB and it's status was MailboxDisable when queried from powershell. So we went into ADSIEdit and doubled the mailbox size. This made mail flow once again but we still see the mailbox size increasing. How do we view the content to see what is being held and why? Or how do we clear the mailbox so we don't hit the limit again.
June 30th, 2009 8:07pm

did anybody ever answer BlueDuece's question? I'm having the above issues and need to clean out the system attendant mailbox...
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December 14th, 2010 3:50am

Note: These clients store Free/Busy information in public folders. • If you have storage limits that are configured to disable mailboxes when a particular storage limit is reached, the following event may be logged on Hub Transport servers: Event ID: 1022 Category: None Source: MSExchangeIS Mailbox Store Type: Error Description: Logon Failure on database "<database_name>" - Windows account Contoso\<ServerName>$; mailbox /o=ContosoOrganization/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Configuration/cn=Servers/cn=<ServerName>/cn=Microsoft System Attendant Error: 1245 This issue occurs when the ExchangeLegacyDN attributes of the affected user accounts point to a deleted Administrative group. In this scenario, you must update the ExchangeLegacyDN attribute for each affected user. The ExchangeLegacyDN attribute must be updated to the following conditions: • The attribute must be converted to an X500 address type. Each user must have a unique X500 address. • The attribute must be updated to use a unique ExchangeLegacyDN attribute as appropriate for the Administrative group in which the user account is located. You can use a bulk modification tool, such as LDIFDE or ADModify.NET to perform this operation. For detailed instructions about how to modify the ExchangeLegacyDN attribute, see step 5 under "To remove the last Exchange 2003 or Exchange 2000 server from an Exchange 2007 organization" in How to Remove the Last Legacy Exchange Server from an Organization1How to Remove the Last Legacy Exchange Server from an Organization1. For More Information ________________________________________ For more information about how to use ADModify.NET, see the following Microsoft Web log (blog): ADModify.NET is here2. It is important to have a working System Attendant Mailbox. It handles Free/Busy Info, is required for all mailbox moves, etc
May 26th, 2011 10:03pm

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