SBS 08 RWW logon event id 1315 error

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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

- EventData

   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
   C:\Program Files\Windows Small Business Server\Bin\WebApp\Remote\


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

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