XADM: How to Change the POP3-Download Order

ID: Q215554

The information in this article applies to:

Microsoft Exchange Server, version 5.5

IMPORTANT: This article contains information about editing the registry. Before you edit the registry, make sure you understand how to restore it if a problem occurs. For information about how to do this, view the "Restoring the Registry" Help topic in Regedit.exe or the "Restoring a Registry Key" Help topic in Regedt32.exe.

SUMMARY

Currently, there is no mechanism in Exchange Server 5.5 to control the download order of POP3 messages. In Exchange Server 5.0, the download order for messages was from old to new. In Exchange Server 5.5, the download order for messages is reversed and changed from new to old.

MORE INFORMATION

This feature is available in the latest service pack for Exchange Server version 5.5. For additional information, please see the following article in the Microsoft Knowledge Base:

Q191014 XGEN: How to Obtain the latest Exchange Server 5.5 Service Pack

The English version of this feature should have the following file attributes or later:

Component: Information Store

File name	Version
Gapi32.dll	5.5.2542
Mdbmsg.dll	5.5.2542
Store.exe	5.5.2542

This feature was first included in Exchange Server 5.5 Service Pack 3.

In addition to the new files noted above, the following registry changes must be made to enable this functionality. To make the registry changes, perform the following steps:

WARNING: Using Registry Editor incorrectly can cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk.

For information about how to edit the registry, view the "Changing Keys and Values" Help topic in Registry Editor (Regedit.exe) or the "Add and Delete Information in the Registry" and "Edit Registry Data" Help topics in Regedt32.exe. Note that you should back up the registry before you edit it. If you are running Windows NT, you should also update your Emergency Repair Disk (ERD).

Stop the Microsoft Exchange Information Store service.

Apply the fixed files noted above.

Start Registry Editor (Regedt32.exe).

Go to the following location in the registry:

HKEY_LOCAL_MACHINE\CurrentControlSet\Services\MSExchangeIS\ParametersSystem

On the Edit menu, click Add Value.
Value Name: POP3 Compatibilty
Data Type: REG_DWORD
Value: 0x0, 0x40
Default: 0x0 (not in registry by default)

Description: This parameter control the download order for the POP3 messages, Set this value to 0x40 and you will get the message download order of new to old. Set this value to 0x0 and you will get the message download order of old to new.

Click OK, and quit Registry Editor.

Restart the Microsoft Exchange Information Store service.

Additional query words: OL OL98

Keywords : exc55 EXC55SP3Fea
Version : winnt:5.5
Platform : winnt
Issue type : kbinfo