Windows SBS 2003. Microsoft Exchange is down although services are running. When attempting to mount Mailbox store it comes back with an internal error: An Internal Processing Error has occurred. ID no: c1041724 Exchange System Manager Urgent assisstance would be appreciated. Guido

Post the errors from the event logs, it'll give an indication of why it won't mount.James Chong MCITP | EA | EMA; MCSE | M+, S+ Security+, Project+, ITIL msexchangetips.blogspot.com

Guido, c1041724 points me the below KBs http://support.microsoft.com/kb/294318 which says that insufficient disk space http://support.microsoft.com/kb/827283 which says about permission issues Have a look on this post too. http://www.thusa.co.za/techdocs/exchange-store-will-not-mount-c1041724-use-eseutil Thanks, ShabaCheers Shaba

Error MSExchangeSA MAPI Session Event 9175 The MAPI call 'OpenMsgStore' failed with the following error: The Microsoft Exchange Server computer is not available. Either there are network problems or the Microsoft Exchange Server computer is down for maintenance. The MAPI provider failed. Microsoft Exchange Server Information Store ID no: 8004011d-0526-00000000 Guido

Guido, Is all exchange services up on this server? Cheerio ShabaCheers Shaba

Windows SBS 2003. Exchange Server is down. Reason : unable to mount mailbox store. When we attempt to mount mailbox store we get the following error: An internal processing error has occurred ID no: c1041724 Exchange System Manager Regards, Guido

Is there enough disk space on the drive? http://support.microsoft.com/kb/294318 You can also look here for more tips: http://technet.microsoft.com/en-us/library/aa996027(EXCHG.65).aspx Is there events logged as well?Martin Sundstrm | Microsoft Certified Trainer | MCITP: Enterprise Messaging Administrator 2007/2010 | http://msundis.wordpress.com

Hi Guido, Any updates? About the 9175, please see: Event 9175: The MAPI Call 'OpenMsgStore' Failed with the Following Error http://support.microsoft.com/kb/262456 Please also run the Exbpa to do a system check. http://www.microsoft.com/downloads/en/details.aspx?familyid=dbab201f-4bee-4943-ac22-e2ddbd258df3&displaylang=enPlease remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.

It was resolved by placing a call to Microsoft and working together with Exchange support. Thank you for your input

Hi Guido, Thanks for sharing. But it is better if you can share the brief solution...Please remember to click Mark as Answer on the post that helps you, and to click Unmark as Answer if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.