Document ID : KB000050197
Last Modified Date : 14/02/2018
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Setup of CCITCP and/or CCITCPGW tasks requires a valid OMVS segment be defined to the assigned userid. Failure to have a valid OMVS segment defined may result in the following condition:

CAS9891E - External Security Error

What are the minimum requirements for OMVS segment?


Minimum requirements for OMVS Home program and directory are:

Home can be anything valid, ROOT would be fine: HOME(/).

The standard OMVSPGM is /bin/sh.

UID can be anything you wish.

Sites will generally define the OMVS USER PROFILE with:

HOME(/) OMVSPGM(/bin/sh) UID(x)