XFOR: Event ID 178 During Directory Synchronization

• Microsoft Exchange Server, versions 4.0, 5.0, 5.5

SYMPTOMS

Directory synchronization may fail between a computer running Microsoft Exchange Server and a Microsoft Mail for PC Networks postoffice. The following event appears in the Microsoft Windows NT Event Viewer:

Event ID: 178
Source: MSExchangeMTA
Category: X400 Service

An error occurred while transferring in message because the directory name could not be expanded to an O/R address. An X.400 API Association (XAPIA) unable-to-transfer reason code and unrecognized-OR-name diagnostic code were returned. [MTA SUBMIT 17 73] (14)

CAUSE

This event occurs if the Directory Synchronization object does not have a valid X.400 address.

RESOLUTION

To resolve the problem:

1. Using the Exchange Server Administrator program, select the Exchange Server container, double-click the Directory Synchronization object, and then click the E-mail Addresses tab.



2. Type a valid X.400 address.

MORE INFORMATION

For additional information about Microsoft Mail for PC Networks directory synchronization, please click the article number below to view the article in the Microsoft Knowledge Base:

Q96060 PC DirSync: Directory Synchronization (Dir-Sync)

Q147464 XFOR: Manual Dirsync with Exchange Server as Dirsync Server

Q148309 XFOR: Manual Dir-Sync with Exchange as Dir-Sync Requestor

Q155104 Event ID 178 Results if Mailbox has No X.400 Address

Additional query words: dirsync DXA DX

Keywords : exc4 exc5 exc55
Version : winnt:4.0,5.0,5.5
Platform : winnt
Issue type : kbprb