Microsoft KB Archive/331320

= Outlook 2003 Performs Slowly or Stops Responding When Connected to Exchange Server 2003 Through HTTP =

Article ID: 331320

Article Last Modified on 5/29/2007

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APPLIES TO


 * Microsoft Windows XP Professional for Itanium-based systems
 * Microsoft Windows XP Home Edition
 * Microsoft Windows XP Media Center Edition 2002
 * Microsoft Windows XP Professional
 * Microsoft Windows XP Tablet PC Edition
 * Microsoft Office Outlook 2003

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This article was previously published under Q331320



SYMPTOMS
When you use Microsoft Office Outlook 2003 to connect to a Microsoft Exchange Server 2003 e-mail server by using a remote procedure call (RPC) over HTTP, Outlook 2003 may perform slowly or stop responding (hang).



CAUSE
This issue may occur in one or both of the following scenarios:
 * The Bypass proxy server for local addresses check box is selected in the Microsoft Internet Explorer options, and the HTTP connection to your Exchange Server 2003 e-mail server can be made through the HTTP proxy server on the network that you are connected to.
 * Outlook 2003 has issued a local RPC call that is waiting for a remote RPC call to complete. This problem is more noticeable when you are using a slow network connection.



Service pack information
To resolve this problem, obtain the latest service pack for Microsoft Windows XP. For additional information, click the following article number to view the article in the Microsoft Knowledge Base:

322389 How to obtain the latest Windows XP service pack

Hotfix information
To resolve this problem, download the 331320 update package from the Microsoft Windows Update Catalog or the Microsoft Download Center. For additional information about how to download updates from the Windows Update Catalog, click the following article number to view the article in the Microsoft Knowledge Base:

323166 HOW TO: Download Windows Updates and Drivers from the Windows Update Catalog

The following file is available for download from the Microsoft Download Center:

Microsoft Windows XP Professional and Windows XP Home Edition
Download the 331320 package now

The English version of this fix has the file attributes (or later) 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 tool in Control Panel.

Date        Time   Version            Size    File name - 25-Nov-2002 18:59  5.1.2600.1142     505,856  Rpcrt4.dll

Microsoft Windows XP 64-Bit Edition
Download the 64-Bit 331320 package now

The English version of this fix has the file attributes (or later) 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 tool in Control Panel.

Date        Time   Version            Size    File name

25-Nov-2002 18:59  5.1.2600.1142   2,297,856  Rpcrt4.dll       IA64 09-Nov-2002 07:40  5.1.2600.1142     506,880  Wrpcrt4.dll      X86



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed at the beginning of this article. This problem was first corrected in Microsoft Windows XP Service Pack 2.



MORE INFORMATION
Outlook 2003 supports connections to Exchange Server 2003 by using RPC over HTTP. Therefore, you are less likely to need a virtual private network (VPN) connection when you use Outlook 2003 with Windows Server 2003.

For additional information about how to install multiple hotfixes with only one restart, click the following article number to view the article in the Microsoft Knowledge Base:

296861 Use QChain.exe to Install Multiple Hotfixes with Only One Reboot

Keywords: kbhotfixserver kbqfe kbwinxpsp2fix kbenv kbbug kbfix kbqfe kbwinxppresp2fix KB331320

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