Exchange 2007 OWA Syntax Error Problem

We are experiencing a major problem regarding OWA after installing Update release 5 for Microsoft exchange. OWA doesn't display at all and clients get the following error

Line: 7
Char: 1
Error: Syntax Error
Code: 0
URL: http://........../owa/auth/logon.aspx
url= https://........../owa&reason=0
I have read many many topics on the same issue regarding Update release 1 but not 5. I have also read many things regarding .Net 2 and reinstalling it

Our installation involves a working WSS 3 SharePoint Service 3 and Microsoft Exchange 2007 at the same Server. Before installing UR5 all seemed to work fine. I don't want to reinstall .NET cause it is a working environment and i don't want to end up reinstalling everything especially WSS3.

I heave read an other post that says that is probably a damaged asp file or a js script. I found 2 directories inside the OWA directory, that contained the old js scripts before the update. Copied them to the new one but the error didn't change

Please help me with this issue

 

Regards
DS
stamatsAsked:
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stamatsAuthor Commented:
Problem Solved

After updating to UR5 we have seen a new directory inside OWA Folder calles 8.07.52 or something like that . This directory didn’t have Anonymous Access enabled. After enabling anonymous access the problem was solved
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dmowbCommented:
This also happened with rollup 2.

The OWA folder needing anonymous permissions added was 8.1.278.2.
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dsgabrielCommented:
The following KB article outlines which subdirectories require anonymous access enabled: http://support.microsoft.com/kb/941201
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rriexchangeCommented:
I just resolved the same issue by doing the below steps.
Step 1: Delete and then re-create the Outlook Web Access-related virtual directories
To delete the Outlook Web Access-related virtual directories, follow these steps:
1.      Start the Exchange Management Shell.
2.      Type the following commands. Press ENTER after you type each command.
Note These commands are case-sensitive.
o      Remove-OwaVirtualDirectory "exchange (default web site)"
o      Remove-OwaVirtualDirectory "public (default web site)"
o      Remove-OwaVirtualDirectory "exchweb (default web site)"
o      Remove-OwaVirtualDirectory "owa (default web site)"
To re-create the Outlook Web Access-related virtual directories, type the following commands at the Exchange Management Shell. Press ENTER after you type each command:
"      New-OwaVirtualDirectory "exchange" -OwaVersion Exchange2003or2000 -VirtualDirectoryType Mailboxes -WebSiteName "Default Web Site"
"      New-OwaVirtualDirectory "public" -OwaVersion Exchange2003or2000 -VirtualDirectoryType PublicFolders -WebSiteName "Default Web Site"
"      New-OwaVirtualDirectory "exchweb" -OwaVersion Exchange2003or2000 -VirtualDirectoryType Exchweb -WebSiteName "Default Web Site"
"      New-OwaVirtualDirectory -name "owa" -OwaVersion Exchange2007 -WebSiteName "Default Web Site"
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