XCLN: Unable To Connect To Server With Underscore in Name Using Macintosh Client

• Microsoft Exchange Macintosh client, versions 4.0, 5.0
• Microsoft Outlook for Macintosh, Exchange Server Edition, version 8.0

SYMPTOMS

When you attempt to connect to a computer running Microsoft Exchange Server version 5.x using the Microsoft Exchange or Outlook client for Macintosh configured with Mac TCP/IP version 2.06, the following error appears if the Exchange Server name contains an underscore:

Microsoft Exchange could not be started. Network problems are preventing
connections to Microsoft Exchange Server computer. Contact your system
administrator if this condition persists.

CAUSE

Per article number 16922, "MacTCP 2.0.6: Invalid Domain Name, Syntax Error," in Apple's Technical Information Library (TIL) this is a known issue when using Mac TCP/Ip 2.06. For more information concerning specific troubleshooting, see the TIL at www.apple.com.

WORKAROUND

Installation of Open Transport version 1.1.1 or higher resolves this issue.

Keywords : XCLN
Version : MACINTOSH:4.0,5.0,8.0
Platform : MACINTOSH
Issue type : kbprb