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Cannot move Exchange mailboxes to new server

Posted on 2008-10-20
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Last Modified: 2011-10-03
I am trying to migrate my users to a new Exchange 2003 server from an existing Exchange 2003 box.  Both are Windows 2003 Server patched and packed.  Exchange 2003 SP2 has been applied to both.  I can create a new AD user account with a mailbox on the new server and send mail back and forth between that account and an account on the older server.  The error in the move wizard is:"<errorCode="0xc1050000">
  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"
I can ping the IP and the server name from other stations.  Outlook 2003 clients can resolve the username and send and receive mail on the new server.  The DNS settings are identical between servers.
Any insight would be very helpful.
Thank you.
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Question by:terry_cole
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by:Bertling
ID: 22760461
checked that all the stores are mounted and that the information store service is stated?
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by:terry_cole
ID: 22760558
Yes and yes.  I can send and receive mail with new mailboxes created on this server.  I just cannot move any from the other server.  I don't want to use exmerge for hundreds of mailboxes.. : )
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by:Bertling
ID: 22761197
are they all in the same forest? does the administrator accout or the account you are using have the correct permissions to move mailboxes?
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by:terry_cole
ID: 22768028
Yes, they are in the same domain and OU.  I am using the domain administrator account.  I have tried to push from the old server and tried to pull from the new server using the same credentials.  As I mentioned, I can add new accounts to AD and assign them to the mailbox store on the new server just fine.  Thanks.
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by:Bertling
ID: 22768176
is there an event i nthe event log about this when it happens?
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by:Bertling
ID: 22768377
also is this excahnge standard or enterprise?
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by:terry_cole
ID: 22768392
YEs, it generates 3 each time.
"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."
Followed by:
Unable to get an administrative interface to the mailbox store on server 'W2K3EXCH02'.
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."
And finally:
"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."

I have googled these in various forms and most all the results say I should make sure the service is running.  It is of course.
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by:terry_cole
ID: 22768433
Standard w/ service pack.
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by:Bertling
ID: 22768516
ok, please can you provide the event ID and source of these events please.
also are you using SBS?
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by:terry_cole
ID: 22768638
Not SBS, Win 2003 Server.
Error 1:ID no: 8004011d-0526-00000000 / MSExchangeAdmin
Error 2: ID no:8004011d-0526-00000000 / MSExchangeAdmin
Error 3:  ID no: 8004011d-0526-00000000 / MSExchangeAdmin

Thanks.
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by:Bertling
ID: 22768757
can you also check the default permissions are correct: http://support.microsoft.com/default.aspx?scid=kb;en-us;328229
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by:Bertling
ID: 22768797
also checkthe list here to see if there is a prob with any of these
http://www.microsoft.com/technet/support/ee/transform.aspx?ProdName=Exchange&ProdVer=6.5.6940.0&EvtID=9175&EvtSrc=MSExchangeAdmin&LCID=1033
the other thing i thought..
have you got any antivirus, firewall enabled that could be blocking the ports needed to move the mailboxes from server to server?
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by:terry_cole
ID: 22768863
I have verified the default permissions are intact.  They do differ between the two stores so I added several to the domain admin account manually but it hasn't made a difference.  The AV is turned off on the first server and has not yet been installed on the new one.
I'll look into the technote page you sent next.  Thanks!
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Bertling earned 250 total points
ID: 22768864
another good link i found http://support.microsoft.com/default.aspx?scid=kb;en-us;264413
make sure that the system attendant mailbox is not connected to the mailbox. This needs to be accessable to move mailboxes.
plz advise
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by:terry_cole
ID: 22775102
I can delete a user's mailbox on the old server and immediately create a new on on the new server from within ADUC.
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by:Bertling
ID: 22775126
ok, have you checked the post above regarding the SA mailbox and if it is correclty linked to the new server?
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by:terry_cole
ID: 22775286
I followed the instructions but it did not seem to make any difference.  I found another article this morning about restarting a server if it was recently promoted to GC role.  I had promoted one because we were having difficulty getting the offline address book to download.  I restarted that server and now the System Attendant mailbox has no account associated with it.
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by:terry_cole
ID: 22775397
Newbie question:  What if I remove the new mail store (or Exchange Database files) from the new server to force a new System Attendant mailbox?
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by:terry_cole
ID: 22775521
I rebuilt the RUS and the system attendant mailbox on the new server is no longer orphaned.  However, I am right back where I started.  I cannot move a mailbox from one server to another.  Same error about the server not being available.
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by:Bertling
ID: 22775629
this has got to do with the problem with the sa mailbox.

if you right click the mailboxes container under your mailbox store and select run cleanup agent. does the system attendant mailbox show a red X over it?
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by:terry_cole
ID: 22775762
I agree.
The SA mailbox on the new server is ok but now the SA mailbox on the live server is disconnected.  That is not responding to the rebuild RUS command like earlier.  I verified the homeMDB value is correct on both.  They each point to  their own server.
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by:terry_cole
ID: 22775825
OK now I'm officially confused.  I can now move mailboxes from the old server to the new one even though the system attendant mailbox on the old server is disconnected.  I thought there was one SA mailbox per server?  Won't it cause problems if the SA mailbox on my production server is disconnected?
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by:terry_cole
ID: 22775855
Now I have a new SA mailbox on the production server.   RUS must have taken care of it.
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by:terry_cole
ID: 22775874
bertling, the transfer process seems to be working.  I am awarding you the points and closing the thread.  Thank you for your kind assistance.  -Terry
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by:Bertling
ID: 22775950
ok great! thanks so it was an issue with the SA mailbox?
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by:terry_cole
ID: 22776047
I think so but it may have been the Global Server reboot that helped focus us on the SA.  The status of the SA mailboxes did not change after editing them in ADSI until I bounced the GC server.  Then the SA on the new box went disconnected.  I triggered a rebuild of the RUS and that brought it back.  Running the cleanup tool on the live box caused his SA mailbox to disconnect (or more precisely, be noted as disconnected) and I triggered another rebuild of the RUS.  That took longer (probably because I was then looking at the server with 100+ mailboxes) but ultimately I have a new SA mailbox under the disconnected one.
Have I accurately analyzed this or do you think I'm off-base?
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by:Bertling
ID: 22776162
if mailboxes are moving ok now i would consider the issue solved.
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by:terry_cole
ID: 22776242
I do too, but I like to understand WHY it happened and HOW it was fixed.  I don't have a sense that I really know in this case.  But I can move on with the project anyway.  Thanks again!
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