XCLN: Directory Could Not be Expanded to an O/R Address

• Microsoft Exchange Windows 95 client, versions 4.0 and 5.0
• Microsoft Exchange Windows 3.x client, versions 4.0 and 5.0
• Microsoft Exchange Windows NT client, versions 4.0 and 5.0
• Microsoft Exchange MS-DOS client, versions 4.0 and 5.0

SYMPTOMS

When a client sends a message, they receive an error message from the MSExchangeMTA that states:

   An error occurred while transferring in a message C=<country>;A=< >;
   P=<Organization>;L=<servername> because the Directory could not be
   expanded to an O/R address.

   Event ID 178.

CAUSE

The account designated as the Microsoft Exchange Internet Mail Connector (IMC) administrator is missing an X400 address.

RESOLUTION

You need to either give the administrator's account an X400 address or assign a different account as the IMC administrator. Adding an X400 address is done on the E-Mail Addresses tab of the account's property page. Assigning a different administrator account is done by clicking the Change button on the IMC's property page.

MORE INFORMATION