Hotfix information
Three supported hotfixes are now available from Microsoft, but they are only intended to correct the problem that is described in this article. Only apply them  to systems that are experiencing this specific problem. These hotfixes 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 these hotfixes.
To resolve this problem immediately, contact Microsoft Product Support Services to obtain the hotfixes. For a complete list of Microsoft Product Support Services phone 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. 
Prerequisites
Because of file dependencies, these hotfixes require that you install Microsoft Exchange Server 2003 Service Pack 1. 
Restart requirement
You do not have to restart your computer after you apply these hotfixes. However, all the following services are automatically stopped and then restarted when you apply these hotfixes: 
- HTTP SSL
 - IIS Admin
 - Microsoft Exchange MTA Stacks
 - Microsoft Exchange Information Store
 - Microsoft Exchange Routing Engine 
 - Simple Mail Transfer Protocol (SMTP) 
 - 	World Wide Web Publishing Service 
 
Hotfix replacement information
These hotfixes replace the following software update: 871223.
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 tool in Control Panel.
   Date         Time   Version            Size    File name
   --------------------------------------------------------------
   18-Aug-2004  02:26  6.5.7232.27        46,080  E2kdsn.dll       
   18-Aug-2004  03:06  6.5.7232.27       456,704  Phatcat.dll      
   25-Aug-2004  18:46  6.5.7232.30     3,591,680  Emsmta.exe       
   25-Aug-2004  18:35  6.5.7232.30         8,192  Maxapiv1.dll     
   25-Aug-2004  18:35  6.5.7232.30         7,168  Mtxapiv1.dll     
   25-Aug-2004  18:35  6.5.7232.30        30,720  X400omv1.dll     
   10-Sep-2004  00:42  6.5.7232.33     3,230,720  Mdbmsg.dll       
   10-Sep-2004  01:19  6.5.7232.33     5,132,800  Store.exe        
Hotfix installation information
To resolve this problem, you must install the following three hotfixes in the order that they appear in:
883938�
                             Redirection history is not included with the original recipient name on ORAR rerouting in Exchange Server 2003
 883940�
                             Address length padding may be miscalculated when Exchange Server 2003 validates the PR_REDIRECTION_HISTORY property
 883949�
                             Message originator may receive an NDR when a message is forwarded to a valid alternative recipient in Exchange Server 2003