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exchnage 2010 OAB creation

Posted on 2013-06-27
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Last Modified: 2013-07-04
Hi experts,

last week I installed a second exchange 2010 server into my organization for migration.
I did all the configuration and moved the OAB to the new server. In OAB settings there was set the the OAB should be published via public folders.
After moving the OAB it works fine on the new server.
So I moved all mailboxes and powered off my first exchange server.

After that the OAB can`t be created/updated anymore.
In the event log there are error messages "ID 9335" telling me the public folder database could not be connected and that there was an error during cleaning up the public folder.

As far as I power-up the first server again, anything works fine.
What do I have to do to get rid of the messages and get the OAB up to date even though the first server is down?

Does anybody know this issue?
For what do I need public folder OAb distribution? We only use Outlook 2007 or higher in our company. Can I disable this distribution type?

Thanks a lot!

Thanks a lot!
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Question by:Systemadministration
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LVL 49

Assisted Solution

by:Akhater
Akhater earned 500 total points
ID: 39281759
if you are only using outlook 2007 and later disable public folder distribution and enable only web distribution.

on another note you should migrate your public folders also to the new server but that's another story
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Author Comment

by:Systemadministration
ID: 39283619
OK, what do I have to do to migrate the public folders?
I set the replication for the standard-publib-folders, not for the system public folders.

If I disable public folder distribution my outlook 2007 clients fail to download the OAB.
Why?

Best regards
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LVL 49

Accepted Solution

by:
Akhater earned 500 total points
ID: 39283738
to migrate you PF you will need to use the powershell script http://technet.microsoft.com/en-us/library/bb331970%28v=exchg.141%29.aspx

if when you disable your pf distribution you are not able to download then

1. your web distribution is not correctly setup
2. you have an issue with you OAB url
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Author Comment

by:Systemadministration
ID: 39292465
I disabled Public folder distribution and everythin is working fine for now.

What about MAC-Outlook Clients (Outlook 2011).
How do those clients get the OAB? Do they user web distribution or public folder distribution?

Best regards.
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LVL 49

Expert Comment

by:Akhater
ID: 39292474
outlook 2011 for mac doesn't use Public Folders either no problem
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Author Comment

by:Systemadministration
ID: 39293703
One more thing.
After moving a mailbox from one exchange 2010 server to the other(also 2010), outlook using this mailbox won`t switch to the new server in Account-Settings- There is still the old server since 5 hours.
I tried closing and re-opening outlook but this also didn`t work.

Outlooks works properly.

How long could it take until outlook reconfigures the server? I read it would happen automatically within 30 minutes.
Should outlook not always show that server on which the mailbox is located?

Best regards.
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LVL 49

Expert Comment

by:Akhater
ID: 39293737
outlook  will not reconfigure as you think, you need to configure it manually
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Author Comment

by:Systemadministration
ID: 39293757
I never had to do this before, neither during swing migration from 2003 to 2010.
The outlook clients always did this theirselves...
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LVL 49

Expert Comment

by:Akhater
ID: 39293782
yes of course when migrating is a totally different issue, now you are not migrating you are moving from one 2010 mailbox to another so the same cas can and will still be used.

that's a common issue when people do not create CAS arrrays in their deployments
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Author Comment

by:Systemadministration
ID: 39293802
Would this mean that I have to change the setting in any outlook?
My goal is it to decomission the old server after the mogration to the new. History is that we want to virtualize our exchange server.
And I won`t be able to reconfigure each client.

What can I do?
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LVL 49

Expert Comment

by:Akhater
ID: 39293831
I am not aware of a way other than re configuring your clients. , what you can try is,

turn off your current server and change in DNS the record for it to point to the new exchange

that should work
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Author Comment

by:Systemadministration
ID: 39293856
I`m a bit confused now.
I thought about P2V conversion and anybody told me not to do this but to migrate using the second server because there is no downtime.
And now while I try this, I have to go to any client and reconfigure the server... That`s really not what I wanted to do.
Changing the DNS-record would give problems to decomission or uninstall the first server later, or not?

Thanks
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LVL 49

Expert Comment

by:Akhater
ID: 39293865
P2V wouldnt' have led into downtime, anyway this could have also been transparent to the user if you had a cas array.

I am sorry about the bad news but this is the way it is, upgrade to 2013 would solve all issues for you

changing the DNS record should be done permanently AFTER you decomission the first server. I was suggesting it as a test to check if it will work or not
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Author Comment

by:Systemadministration
ID: 39296052
I found out following:

If I stop the service "RPC ClientsAccess" on the old exchange server and after that start the outlook which has a mailbox configured which has been moved from the old to the new server it gets the correct server information from autodiscover.

This would mean that I don`t have to reconfigure each Outlook manually.

Can anybody confirm that?
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LVL 49

Expert Comment

by:Akhater
ID: 39296058
If this is enough for autodiscover to kick-in and you tested it working then you are good to go
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