Microsoft KB Archive/297969

= Event ID 4096 Occurs When You Run Outlook Mobile Access for Exchange Server 5.5 =

Article ID: 297969

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Mobile Information Server 2001 Enterprise Edition

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This article was previously published under Q297969



IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry



SYMPTOMS
When you browse your mailbox by using Outlook Mobile Access against an Exchange Server 5.5 computer, your session may time out on the device. In addition, the following event ID messages may be logged in the Application event log:

Event Type: Error

Event Source: Exch55DataProvider

Event Category: General

Event ID: 4096

User: N/A

Computer: MMIServer

Description:

Event Source: HrDatedItemsSummary (CATCH)

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Unknown Error

Event Type: Error

Event Source: Exch55DataProvider

Event Category: General

Event ID: 4096

User: N/A

Computer: MMIServer

Description:

Event Source: Exchange55Mailbox.cpp CExchange55Mailbox::strGetItemList

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Code = 80004005 WCode = 0000 HRESULT = 80040200

Event Type: Error

Event Source: Exch55DataProvider

Event Category: General

Event ID: 4096

User: N/A

Computer: MMIServer

Description:

Event Source: CCDO1SessionPool::objGetCDOSession

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Session in use, age in milliseconds = 28641. A user who has a session established tried to open another session.

NOTE: Session age varies.



CAUSE
This issue can occur because the timeout value for the Mobile Information Server Exchange Server 5.5 component has been exceeded. This value determines the time period that Mobile Information Server waits for a response from the Exchange Server 5.5 computer.



RESOLUTION
To resolve this issue, increase the timeout value in the registry for the Mobile Information Server Exchange Server 5.5 component:  Start Registry Editor (Regedt32.exe). Locate the MMIS55COMTimeout value under the following key in the registry:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\OMA55\MMIS55COMAccess

 On the Edit menu, click DWORD, type 45, and then click OK. (See the following &quot;Setting the Timeout Value&quot; section in this article for more information about setting a value.) Quit Registry Editor.

Setting the Timeout Value
The default timeout value is 20 seconds. In the example in the &quot;Symptoms&quot; section of this article, the lookup on the Exchange Server 5.5 computer took 28.6 seconds to return (28641 milliseconds). To determine the value to enter, look at the event ID message to see how long the query took on your server before it timed out, and then add approximately 50 percent to that value, for example:

(28641ms/1000)=28.641 seconds 28.641*1.5=42.96 rounded up to 45 seconds.

If the query is taking longer than 60 seconds, check to see if the server is suffering performance problems or if there is a networking problem.

For additional information about troubleshooting Microsoft Outlook Web Access (OWA) in Exchange Server 5.5, click the article numbers below to view the articles in the Microsoft Knowledge Base:

247779 XCLN: Mailboxes Not Available Through OWA, with Server Timeout Error ASP0113



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article.

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MORE INFORMATION
The Outlook Mobile Access for Exchange Server 5.5 component in Mobile Information Server version 1.0 uses CDO to talk to Exchange Server 5.5. This component is the same component that OWA uses to communicate with to Exchange Server 5.5.

Keywords: kbbug KB297969

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