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Exchange 2010 - one database having OWA/ActiveSync issues

Hello all and thanks to anyone who can give me some insight here.

Exchange 2010 sp1
One site in Houston (primary) and a site in New York

All databases are fine (and have been for about a year) except for one.  When I try to access OWA with credentials of someone residing in that database, I get a mailbox couldn't be found error.  Activesync test fails on the exchange connectivity test as well.  

As I said all other databases are functioning as normal.  And FYI they are all members of a DAG.

Seems to be anything IIS driven.  Any ideas?

I have performed iisresets on both sides.
I have dismounted and remounted the db.
I have rebooted the secondary ny site.  (I will reboot houston tonight if need be)
1 Solution
Try creating a new DB and migrating the users in to that new DB to see if that fixes the problem.
Try creating another database on that same server. Create a test user on newly created database.  Test owa. If it works, move one user to new database and test. If it works,  move the rest of the users.
techlindenAuthor Commented:
That's exactly what i was trying to avoid. :)

We just had a another database die and had to do the same thing.

I will probably end up doing that  Just wanted to see if there were any known issues that might have a quicker workaround,

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Besides this are they able to access their mailbox using owa and what error is logged in the IIS logging. But first move one of the users to another db to verify if this fixes the issue.

Try it with a new test account first. That way u don't take a user down while u test.
1. Do you see anything in the event logs?
2. Can you please post the IIS logs for us? Make sure you do the test run first and then collect the logs.
3. Is it possible to just move one mailbox to another database and see if that works?
4. Can you please check one more thing for me: open ADUC-->View-->Advanced Features-->Search for the users AD account whose activesync is not working-->Go to Properties-->Security Tab-->Advanced button-->Please confirm if "Include inheirtable permissions from the object parents" is TICKED or not?


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