Sounds like either someone moved your dc's out of the domain controlers
OU, or somebody moved the exchange groups "exchange service account,
exchange enterprise servers, exchange domain servers, ect..." from the
users ou.  Either one will cause this.


-----Original Message-----
From: Etts, Russell [mailto:[EMAIL PROTECTED]] 
Sent: Thursday, January 03, 2002 2:11 PM
To: Exchange Discussions
Subject: Problem with Exchange 2000

Hi everyone

I'll try to give as much information as possible, maybe someone else on
this list has seen this?  Please don't tell me to call PSS, I've been on
the phone with them for 5 days and the problem is still not resolved....

I have three domains,, and  Ad
is the root domain, there is only one server, no exchange.  Hcg has 12
Exchange servers.  Four of them are Exchange 2000 (two of the four are
actually clustered), the rest are 5.5 servers.  Hci has only one
exchange 2000 server.  Everything was working fine, there were no issues
with mail at all. I was getting ready to move the users onto the new
boxes.  On the Wednesday before Xmas, the Admin in Hci installs service
pack 2 for Exchange.  When he does, about 20 mins (?) later, he's
getting the following error:

Event 1022, 

Logon failure on database First Storage Group\mailbox store (HCICLEX1
(the server name)) - Windows 2000 account NT\Authority\System; mailbox
(then it drills down to the Microsoft system attendant) error

Within an hour of his call, I start seeing the same error messages on my
exchange servers.  When I log into the test accounts on the new exchange
2000 servers, all the sent mail sits in the out box. 

I installed Sp 2 on my servers, hoping the problem would clear up.  Now
on top of the original errors, I am getting errors telling me:

Event 9175

The Mapi call "openmsgstore" failed with the following error: The
attempt to log on to the Microsoft Exchange Server has failed.  The Mapi
provider failed. MS exchange server information store.  ID

Has anyone seen anything like this??  Can someone point me in the right
direction?  The 5.5 servers are not affected at all.

I apologize in advance for the cross post.  

Thanks for any advice you can give.


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