Aug 4, 2006 #1 wlaflamme Mechanical Oct 25, 2005 4 0 0 US I am using Excel VBA to communicate with a measuremnet machine via RS232 port. The program works great but every once and a while I receive an Error Code 8021 . I could not find any information on this to resolve this problem. Any ideas?
I am using Excel VBA to communicate with a measuremnet machine via RS232 port. The program works great but every once and a while I receive an Error Code 8021 . I could not find any information on this to resolve this problem. Any ideas?
Aug 6, 2006 #2 PeterCharles Mechanical Oct 31, 2002 423 0 0 GB I don't know if this helps? http://support.microsoft.com/kb/135404/EN-US/ Upvote 0 Downvote