RE: Unable to Mount Mail Box Store

  • From: "Mark Fugatt" <markfu@xxxxxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Fri, 13 Jan 2006 10:49:11 -0000

Have a look at this KB:


What really concerns me is you performed a file-level AV scan on the
hard disk that contains your Exchange files, you should never do this.


Mark Fugatt 
Dedicated Supportability Engineer (Exchange) 
Microsoft Limited
Desk:   +44 (0)118 909 5630
Mobile: +44 (0)7966 858108
MSN IM: markfu@xxxxxxxxxxxxxxxxx

Dedicated to proactively supporting Microsoft's enterprise Customers



From: Shahir Ahmed Ansari [mailto:shahiransari@xxxxxxxxx] 
Sent: 13 January 2006 10:21
To: [ExchangeList]
Subject: [exchangelist] Unable to Mount Mail Box Store 


Thanks everyone for prompt reply.


Here are details.


I work in an organization where I shutdown my all servers in the


We are using exchange 2003 and windows2000 Advance server.


In the morning when I started my exchange server machine, its LAN card
was uninstalled, I tried a lot to install but unable to install (it
happens usually when your machine is infected by virus) so I tried to
use Norton antivirus for virus scanning but antivirus was unable to
start scanning .finally

I fixed this hard drive to another system as a slave drive and scanned
for virus,

After scanning, I put this hard drive back in to exchange server.


Now I was able to install LAN card.

After installing LAN card, exchange mailbox store was un mounted.



When I tried to mount mailbox store I received this message

 (An internal processing error Has occurred. try restarting the Exchange
system Manager or the Microsoft Exchange Information store service, or
both. ID no: c1041724 Exchange system Manager)



Event viewer application error is (The MAPI call 'OpenMsgStore' failed
with the following errorThe 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:


I think now I have provided all information.









Shahir Ahmed Ansari 
System Engineer 
AL-HAMD International Container Terminal (Pvt.) Ltd. 
Tel: (92-21) 111-000-176 Ext:551
Cell# 0333-2357710
Email: shahir@xxxxxxxxxx


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