Unable to open message store. (hr=0x80004005, ec=1100)
IT Problem
In exchange 2010 when you try and move mailboxes across databases to you get following error.
Diagnostic context:
Lid: 18969 EcDoRpcExt2 called [length=179]
Lid: 27161 EcDoRpcExt2 returned [ec=0x44C][length=158][latency=10000]
Lid: 32881 StoreEc: 0x44C
Lid: 50035
Lid: 64625 StoreEc: 0x44C
Lid: 1494 —- Remote Context Beg —-
Lid: 26426 ROP: ropLogon [254]
Lid: 39349
Lid: 43445 StoreEc: 0x44C
Lid: 51627
Lid: 37291 StoreEc: 0x44C
Lid: 53675
Lid: 12716 StoreEc: 0x44C
Lid: 20794
Lid: 28474 StoreEc: 0x44C
IT Solution
This is down the the exchange replication service on the CAS Server not being able to see the mailbox server. It may of hung or there may be comms issues between the 2 servers.
1.) Click start then Run and type “services.msc”
2.) Locate the Microsoft exchange replication service.
3.) Right click and select restart.
Now try and move the mailboxes
Tags: Mapiexception
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