SBS 08 RWW logon asp.net event id 1315 error

techstructures
techstructures used Ask the Experts™
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We have a client that can not authenticate users for remote web workplace.
They are using windows small business server 2008.
RWW works fine internally from the server to a workstation but not remotely.
OWA works with no issues but RWW gives the password box and says “invalid logon” to any users.  All ports are checked and users are in RWW group in AD.

The following error shows up for each failed attempt to logon.
+ System

  - Provider

   [ Name]  ASP.NET 2.0.50727.0
 
  - EventID 1315

   [ Qualifiers]  16384
 
   Level 4
 
   Task 3
 
   Keywords 0x80000000000000
 
  - TimeCreated

   [ SystemTime]  2010-01-29T15:37:51.000Z
 
   EventRecordID 62390
 
   Channel Application
 
   Computer clientname.clientname.local
 
   Security
 

- EventData

   4005
   Forms authentication failed for the request. Reason: The ticket supplied has expired.
   1/29/2010 10:37:51 AM
   1/29/2010 3:37:51 PM
   b25b8e64d2314d0c97446fed6fe33cf8
   22
   16
   50202
   /LM/W3SVC/3/ROOT/Remote-1-129092508759350991
   Full
   /Remote
   C:\Program Files\Windows Small Business Server\Bin\WebApp\Remote\
   MOTNS08
   
   8704
   w3wp.exe
   NT AUTHORITY\NETWORK SERVICE
   https://mail.clientnamehere.org:443/Remote/logon.aspx?ReturnUrl=%2fRemote%2flogoff.aspx%3ftimeout%3d1&timeout=1
   /Remote/logon.aspx
   66.162.11.20
   
   False
   
   NT AUTHORITY\NETWORK SERVICE

Thoughts?

Matt
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Resolved.  Rollup 9 for exchange 2007 hosed the authentication settings.  Bellow link was the resolutions.

http://blogs.technet.com/sbs/archive/2009/06/19/common-remote-web-workplace-rww-connect-to-a-computer-issues-in-sbs-2008.aspx

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