Hello Patrick, I seem to remember:
1. empty NIPCON list in IODF. 2. activate IODF to hardware. 3. IPL MVS system(s) to clear NIPCON settings. I don't remember any method of dynamically clearing things, except by zapping memory (re: my earlier comment about some UNPIN code). 4. once a device is not listed in NIPCON it should be dynamically deletable, with the proviso you may need to make it DYNAMIC in IODF#1, and then delete in IODF#2. I hope this helps.......I did all this 1999 time frame. ;=) Regards Bruce Hewson ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html