Exchange 2010 OWA blank screen where login should have been

I have two exchange servers both 2010 and I'm migrating from one to the other.  Both have Hub,Cas,Mailbox roles and both are "internet facing".

Problem is, that on the new server whenever I try to access owa (http://loke.dpp.dk/owa) the browser redirects me to

http://loke.dpp.dk/owa/auth/logon.aspx?url=http://loke.dpp.dk/owa/&reason=0


and then nothing happens...  eventually (after 20 seconds or so) the page-load completes but without any contents on the page.

I have disabled SSL while playing with this - so that's not the issue...

Anybody got the magic trick here?

I have seen references to "reinstall owa" or "reinstall cas", but it must be something more simple.

My old server works perfectly... ?!?


Thomas
ThomasHejAsked:
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EmptyoneCommented:
Is SP1 installed, or have you installed rollup 4 on the new server? Have seen this issue on Exhcange 2010 with rollup 4 installed. To fix it, install rollup 4 again from command line with elevated priviliges
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sunnyc7Commented:
I think you are going to the wrong address.

Also - loke.dpp.dk @ maybe an intenral FQDN

This is the correct one and its working externally.
https://mail.dpp.dk/owa/

the other server mail2.dpp.dk > I cant even ping.
I am not sure if that is online.

http://www.mxtoolbox.com/SuperTool.aspx?action=mx:dpp.dk
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ThomasHejAuthor Commented:
sunnyc7,

http(s)://mail.dpp.dk/owa is the old server which is "online" for all my users.  

The new server loke.dpp.dk is not externally available but I can get to the server on my lan...

...that is - I can get a blank screen when trying http://loke.dpp.dk/owa


http://loke.dpp.dk gives me the usual IIS7-welcome graphic...


Thomas
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sunnyc7Commented:
from new server
get-owavirtualdirectory | fl
get-clientaccessserver | fl

run that and copy paste output here

also need your externa and internal fqdn
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ThomasHejAuthor Commented:
No SP1 (yet), but yes it did have rollup 4.

Re-installing the rollup 4 did the trick.  

To be precise - since the rollup 4 is a .msp file you can't just right click and "run as administrator" - you need to open a command-prompt (run as administrator) and from that activate the .msp file.

You can do this without reboot - but exchange will be down during install...


Thanks...

Thomas
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