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Exchange 2010/outlook 2007 hangs when downloading OAB

Hello and thank you for your time.

I have an issue with my exchange 2010/outlook 2007 when downloading the OAB.  it hangs around 10 %.  This is afairly new install its been about a month or so since I have installed exchange.  cant seem to figure out why I cant get the oab to download.  I get no error message.  at first I noticed that the default folder was not created so I researched how to manually create the default OAB and it did create the guid folder however no change.  I then so some admins were following the link below to fix the problem but still no change.

http://social.technet.microsoft.com/wiki/contents/articles/simplify-the-outlook-web-app-url-in-exchange-server-2010.aspx

Can someone help ?
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jrojas1213
Asked:
jrojas1213
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1 Solution
 
ComsycoCommented:
You could try to recreate the OAB in Exchange to make sure it isn't corrupt?

This link might help.
http://technet.microsoft.com/en-us/library/bb123595.aspx
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jrojas1213Author Commented:
one thing that i noticed in my research is when I run a command get-AutodiscoverVirtualDirectory  it shows the server but nothing under internal URL.  i then looked at IIS and looked up the virtual directories for the default site and so that there was no auto discovery VD.  there is an autodiscovery folder when you expand the default website in IIS but no VD.  

My question to everyone is that correct ?  when you look up the VD's for the default website should there be a VD for autodiscovery.  

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ComsycoCommented:
Under Server Configuration on your Exchange 2010 server select Client Access - Choose your server name from hte top and go to the Offline Address Book Distribution tab. Check the settings in there. Make sure its something like http://servername.domain.local/OAB
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jrojas1213Author Commented:
yes the internal and external are set correctly
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jrojas1213Author Commented:
I have tried the testexchange and the autodiscovery tested successful along with rpc.  I have a feeling its some permission based because when I browse to the oab directory in IE I get a 403 forbidden access denied
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ComsycoCommented:
try the link in my first post and recreate the OAB virtual directory that should also reset the permissions to default. You could also check the permissions in IIS.
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jrojas1213Author Commented:
did that and no change still hanging.  
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ComsycoCommented:
In IIS what permissions are set against the Virtual Directory?
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ComsycoCommented:
Or... try changing the OAB link in the EMC to point to your servers IP address internally and see if that works...
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jrojas1213Author Commented:

permissions:
system: full control
organization management: special permissions
view only org manag: special permission
admin: full
iis_iusr: special permissions

also basic and windows authentication are enabled and everything else is disabled
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ComsycoCommented:
and just to spam you with responses I found this on another site which may help you -

This actually arose due to the fact I had mistakenly set the Default web Site directory with a HTTP redirect which applied to all subfolders including OAB.

I did then rectify this by going into individual subfolders and unchecking Http Redirect from each sub folder, however unknowingly  it created/modified a webconfig file under the OAB virtual directory. (you can explore it to see the file there)
 
If you test your OAB url (for people with the issue), which is : http(s)://servername/oab//oab.xml you will get Error 500.
 
Each time Outlook 2007 was trying to connect to get OAB, it was trying to read that webconfig file.
 
I fixed this by changing the permissions on that webconfig file to allow everyone and the above error was done, and also my Outlook 2007 was downloading the OAB again!
 
Now if the above fix did not fix your problem, you can temporarily effectively disable OAB by unticking Web Distribution of OAB and Public Folder Distribution in EMC under Organisation/Mailbox/Offline Address Book. Users will be able to do a send/reiceve without any errors/issues. However, if a new contact/user is added to your AD with exchange attributes, the clients will not be able to see this. I'm guessing if cached mode was also not used, issues would also occur if they tried using the GAL.
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jrojas1213Author Commented:
when i browse to oab using ip address i still get a 403 after i log in using my user credentials
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jrojas1213Author Commented:
yes i saw that too in fact that was the link in my intro
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ComsycoCommented:
add domain users into the permissions on the virtual directory with full permissions and try again (this can always be removed afterwards.)
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ComsycoCommented:
Didn't even notice your link... (its been a very long day :) )

Another link talking about similar 403 issues.

http://social.technet.microsoft.com/Forums/is/exchange2010/thread/1aaadd9a-bf35-4379-a1dd-c2a992b457d0
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jrojas1213Author Commented:
yeah saw that too  is kinda like a movie trailer that is really good and builds up so much hype and when you actually see the movie its not good at all, lol.
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ComsycoCommented:
haha I suppose so. Hmm did you try the full permissions to domain users in IIS?
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jrojas1213Author Commented:
well this is what I did on friday night.  I regenerated the OAB and in that process I noticed that the database was not assigned the oab.  i tried it on 3 users, I being one of them and it worked on all machines except mine which is really messed up.  i thought the machines respected its master but whatev.  it still hangs for me at around 10 %.  going to try it on other users and see if it hangs for them.

Thanks
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ComsycoCommented:
So we're a step closer... Might be corruption with your permissions. As a last resort you could recreate your user account and move the mailbox via EMC.. But only as a last resort as its a pain. (If you do need to do that a little program called ProfWiz3 would help you migrate your local profile to the new account.
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jrojas1213Author Commented:
yeah I tried on two more machines and worked perfectly so I dont think I have an issue with OAB specifically.  I will look into my profile and see whats going on.  I recreated my outlook profile and there was no change.  I will look into my user profile as you said and see if there is something that I need or should not have that was cause this issue.  overall I think the issue is solved.  Comsyco thanks for sticking through from beginning to end.  Thanks very much
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ComsycoCommented:
No problem good luck and feel free to message me if you need anything else on this one
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