PC Ext: Err Msg: Error 21 Missing Routing FileLast reviewed: October 24, 1995Article ID: Q104485  | 
	
	
 
The information in this article applies to:
 
 SUMMARYIn version 3.2 of the Microsoft Mail for PC Networks External Mail program (EXTERNAL.EXE), Mail's message transfer agent (MTA), you may receive the following error message: 
 Error 21 Missing Routing File CAUSEThis error means that the corresponding .OVL file (ASYNC.OVL, X25EICON.OVL, or X25ATLAN.OVL) cannot be loaded. 
 RESOLUTIONTo load this file, make sure the machine has MS-DOS extended memory available and the ASYNC.OVL, X25EICON.OVL, and X25ATLAN.OVL files are in the same directory as the EXTERNAL.EXE file. NOTE: You should store these files on the computer's local disk drive and you should set the MS-DOS temporary (temp) workspace to the local drive. 
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	Additional reference words: 3.20 
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