Error message when you try to browse OWA on Small Business Server 2008: "Outlook Web Access did not initialize"

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Article ID: 970445 - View products that this article applies to.
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Source: Microsoft Support

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RAPID PUBLISHING ARTICLES PROVIDE INFORMATION DIRECTLY FROM WITHIN THE MICROSOFT SUPPORT ORGANIZATION. THE INFORMATION CONTAINED HEREIN IS CREATED IN RESPONSE TO EMERGING OR UNIQUE TOPICS, OR IS INTENDED SUPPLEMENT OTHER KNOWLEDGE BASE INFORMATION.

Symptom



When you try to browse OWA on SBS 2008, you may receive the following error message:

Outlook Web Access did not initialize. An event has been logged so that the system administrator can resolve the issue. Please contact technical support for your organization.

Failed to remove unnecessary privileges, GetLastError()=5

Request
Url: https://remote.contoso.com:443/owa/auth/error.aspx?replaceCurrent=1&url=https%3a%2f%2fremote.contoso.com%2fowa%2f

User host address: 192.168.0.2

Exception
Exception type: Microsoft.Exchange.Clients.Owa.Core.OwaWin32Exception
Exception message: Failed to remove unnecessary privileges, GetLastError()=5

Call stack
Microsoft.Exchange.Clients.Owa.Core.Globals.InitializeApplication()
Microsoft.Exchange.Clients.Owa.Core.Global.ExecuteApplicationStart(Object sender,
EventArgs e)

Cause



This issue may occur if the 'Physical Path Credentials' attribute on the Advanced Settings of OWA virtual directory is using a specific user account. This means only that specific user account has access to the physical path for the OWA virtual directory.

You should always use the 'Application User (pass-through authentication)'. With this option, IIS uses the credentials of the requesting user to access the physical path.

Resolution

  1. Open Internet Information Services (IIS) Manager.
  2. Expand the SBS Web Applications site.
  3. Click the OWA virtual directory.
  4. Click Advanced Settings.
  5. Edit the entry for Physical Path Credentials and set it to Application User (pass-through authentication).

More Information



If you look in the Application Logs, you would see the following errors are recorded.

Log Name : Application
Source : MSExchange OWA
Event ID : 58
Description : Outlook Web Access could not load and is now restarting.

Log Name : Application
Source : MSExchange Common
Event ID : 579
Description : Removal of privileges from process
"c:\windows\system32\inetsrv\w3wp.exe" (PID=7368, LABEL=MSExchangeOWAAppPool)
failed with error code 0x80070005.

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Properties

Article ID: 970445 - Last Review: April 21, 2009 - Revision: 1.1
APPLIES TO
  • Windows Small Business Server 2008 Premium
  • Windows Small Business Server 2008 Standard
Keywords: 
kbrapidpub kbnomt KB970445

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