RESOLUTION
To resolve this issue, install the latest Microsoft Exchange Server 2003 Connector for Lotus Notes on the server that is running Exchange Server 2003.
The following file is available for download from the Microsoft Download Center:
Download the NotesCon.exe package now.
Release Date: 12/7/2005
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.
Note You must install Microsoft Exchange Server 2003 Service Pack 2 (SP2) before you install the latest Exchange Connector for Lotus Notes.
For more information, click the following article number to view the article in the Microsoft Knowledge Base:
836993
How to obtain the latest service packs for Exchange Server 2003
You must also run Lotus Notes Client 6.x to use the new connector's feature set.