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Offline adress book not updating coexistence Exchange 2003 Exchange 2010


I have a coexistence exchange 2003 and 2010. Everything is moved and i am soon about to uninstall exchange 2003.

But i noticed one problem when i shutdown exchange 2003 and only have exchange 2010 running and that is new users i create will show up fine in adress book but offline adress book does not get updated. I have waited a week and still do not update.

Both web based distribution and public folders distribution is enabled (although no outlook 2003 clients exist anymore).

Generation server of oab is exchange 2010

What i have tried:

Force update on offline adress book on exchange 2010 together with downloading adress book on outlook 2010.

When i start exchange 2003 server and after it has synced public folder stuff the update of offline adress list works again. But i know public folder sync should not affect offline adress book since it should use web based distribution since outlook 2010. But it fels like the public folder sync causes this issue. Can this be true?

What am i missing?

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1 Solution
Peter HutchisonSenior Network Systems SpecialistCommented:
Check permissions for  C:\Program files\microsoft\exchange server\v14\clientaccess\oab\web.config and make sure Authenticated users have read & execute permissions.

Also make sure that the OAB public folder is replicated to a public folder database on Exchange 2010.
teknik360Author Commented:
Thanks for the answer. I was actually about to check this. I actually do not find a web.config file in this directory. Only another folder : 0d90e8cb-e0e0-4c76-be6e-e7ee4e36b5d7.

Can it be located somewhere else?
teknik360Author Commented:
Checked up on the missing web.config file and it seems it is not supposed to be there under certain circumstances.

I am using https://webmail.domain.com/oab on internal and external url. In oab virtual directory it is not checkmarked on Require SSL.

Is this incorrect?.

I mean if exchange 2003 is online oab does update on outlook 2010 clients. so the web distribution seems to be working properly then..

Right now the public folders are setup to replicate and this works...

I did however notice i do get error when updating the oab from management console:

OABGen encountered error 80004005

I found one post that has the exact problem i do. But in his instance he had not setup any public folder replication since they where not using it. The solution for him was to move all replicas of public folder to exchange 2010 with the existing script for this.

Do i also need to move all replicas?. Do this problem stem from me still having public folder content on exchange 2003?

Seems strange to me this would be causing the issue.

Here is the link to that article: http://www.tek-tips.com/viewthread.cfm?qid=1694504
teknik360Author Commented:
This is solved a time ago. The solution was that for whatever reason in emc, public folder management, offline addresslist. My new server was not listen under replication tab. I also needed to add the new server on replication tab for the different oab versions.

Now i did not think this was needed since i only use web distribution and not public folder distribution but seems it was. After that web based distribution works and i dont get the error anymore.

Must be due to co-existence still was active i guess.
teknik360Author Commented:
Because i found the solution my self
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