Outlook may receive a full download of the offline address book when the Recipient Update Services in Exchange Server 2003 is under a heavy load (896355)

RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Microsoft Exchange Server 2003. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

Hotfix information

A supported hotfix is now available from Microsoft, but it is only intended to correct the problem that is described in this article. Only apply it to systems that are experiencing this specific problem. This hotfix may receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next Microsoft Exchange Server 2003 service pack that contains this hotfix.

To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfix. For a complete list of Microsoft Product Support Services telephone numbers and information about support costs, visit the following Microsoft Web site:Note In special cases, charges that are ordinarily incurred for support calls may be canceled if a Microsoft Support Professional determines that a specific update will resolve your problem. The usual support costs will apply to additional support questions and issues that do not qualify for the specific update in question.

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.

    
   Date         Time   Version         Size    File name
   ------------------------------------------------------
   27-Apr-2005  18:43  6.5.7233.11     58,880  Oabgen.dll   

Because of file dependencies, this hotfix requires Microsoft Exchange Server 2003 Service Pack 1 (SP1).

Note To enable this hotfix, you must set the OAL NT5 DN Rejection registry value. To do this, follow these steps.

Warning Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another method. These problems might require that you reinstall your operating system. Microsoft cannot guarantee that these problems can be solved. Modify the registry at your own risk.

1. Click Start, click Run, type regedit in the Open box, and then click OK.
2. Locate and then click to select the following registry key:

   HKEY_LOCAL_MACHINE\System\CurrentControlSet\Services\MSExchangeSA\Parameters

3. On the Edit menu, point to New, and then click DWORD Value.
4. Type OAL NT5 DN Rejection, and then press ENTER.
5. Right-click OAL NT5 DN Rejection, and then click Modify.
6. In the Value data box, type 0x1 (1).
7. Quit Registry Editor.

Event Type: Warning
Event Source: MSExchangeSA
Event Category: OAL Generator
Event ID: 9341
Description: The parent Legacy Exchange DN container value '/o=NT5/ou=6200C069F80CD740AD5B19F1D766791C' was not found during generation of the differential update file for offline address list '\Global Address List'. This will force clients using this offline address list to do a full download of the offline address list - Default Offline Address List
Event Type: Warning
Event Source: MSExchangeSA
Event Category: OAL Generator
Event ID: 9116
Description: OALGen encountered an error while generating the changes.oab file for differential downloads of address list '\Global Address List'. Clients will not be able to incrementally update to the new version of the offline address list. This is typical if this is the first time this offline address list has been generated. Check other logged events to see whether this is a serious error - Default Offline Address List