https://jeffpar.github.io/kbarchive/kb/169/Q169631/
Q169631: XCON: MTA Runs Internal MTACHECK After Command-Line Version | KnowledgeBase Archive
An Archive of Early Microsoft KnowledgeBase Articles
https://jeffpar.github.io/kbarchive/kb/163/Q163295/
Q163295: XCON: MTA Events 2219, 2206, and 2207 (MTACHECK) | KnowledgeBase Archive
An Archive of Early Microsoft KnowledgeBase Articles
mta eventsxcon