The MOM server reports error 20003 when monitoring Exchange Server 2003-based front-end servers that have security update 931212 applied

You apply security update 931212 on a Microsoft Exchange 2003 SP2-based front-end server that is monitored by the Microsoft Exchange 2003 Management Pack for Microsoft Operations Manager (MOM) 2005. After you do this, the MOM server reports the following error:

Type: Error
Description: OWA Logon failed. URL: https://publicurl/servernameMOM
Error: RequestCanceled
Descripton: System.Net.WebException: The request was aborted: The request was canceled. ---> System.NotSupportedException: This method is not supported by this class. at System.Net.BasicClient.EncodingRightGetBytes(String rawString) at System.Net.BasicClient.Lookup(HttpWebRequest httpWebRequest, ICredentials credentials) at System.Net.BasicClient.Authenticate(String challenge, WebRequest webRequest, ICredentials credentials) at System.Net.AuthenticationManager.Authenticate(String challenge, WebRequest request, ICredentials credentials) at System.Net.AuthenticationState.AttemptAuthenticate(HttpWebRequest httpWebRequest, ICredentials authInfo) at System.Net.HttpWebRequest.CheckResubmitForAuth() at System.Net.HttpWebRequest.CheckResubmit(Exception& e) at System.Net.HttpWebRequest.DoSubmitRequestProcessing(Exception& exception) at System.Net.HttpWebRequest.ProcessResponse() at System.Net.HttpWebRequest.SetResponse(CoreResponseData coreResponseData) --- End of inner exception stack trace --- at System.Net.HttpWebRequest.GetResponse() at Microsoft.Exchange.ManagementPack.ManagementPackOwa.OwaAvailability.GetPage(String url, NetworkCredential credential, CookieCollection cookies, HttpStatusCode& httpStatus, WebExceptionStatus& webexStatus) This event was generated by the script: "*SGI Exchange 2003 - OWA logon verification"
Source: Exchange MOM
Category: Event
Number: 20003
Provider Type: Generic Provider
Provider Name: Script-generated Data Raises Alert: True

However, users can still connect to Outlook Web Access.

After you apply security update 931212 on a Microsoft Exchange 2003 SP2-based front-end server that is monitored by Microsoft System Center Operations Manager 2007, System Center logs an event that resembles the following event:

Event Type: Error
Event Source: Health Service Script
Event Category: None
Event ID: 2001
Date: 1/31/2008
Time: 2:51:35 PM
User: N/A
Computer: SERVERNAME
Description: OWA logon verification : OWA Logon failed. URL: https://ServerFQDN/exchange/testmailboxaccount Descripton: Authentication failed. The logon request was redirected back to the logon page. This may indicate the credential for Mailbox Access Account is incorrect. Run the Exchange Management Pack Configuration Utility again to verify.

Additionally, the following messages may appear in the Operations Manager 2007 Console:

This problem occurs because security update 931212 changes character processing. These changes to character processing can cause Outlook Web Access availability test failure.

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

You must have Microsoft Exchange Server 2003 SP2 installed to apply this hotfix.

Restart requirement

You do not have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

For more information about security update 931212, visit the following Microsoft Web site: For more information, click the following article numbers to view the articles in the Microsoft Knowledge Base: For more information, click the following article number to view the article in the Microsoft Knowledge Base: For more information, click the following article number to view the article in the Microsoft Knowledge Base: For more information, click the following article number to view the article in the Microsoft Knowledge Base: