CASST0004W External shutdown request for ES server-name by user user name was rejected, reason=

An attempt was made to shutdown a region externally which is marked as requiring a valid userid and password to complete the shutdown request due to the reason given. 1 - error opening region resource definition file 2 - user did not have valid security key 3 - userid and/or password invalid.
Restriction: This topic applies only when the Enterprise Server feature is enabled.
System Action:
The region will continue running.
Resolution:
Specify a valid userid+password on the command line If the userid+password is valid make sure that the security keys of the user matches the external security key specified in the SIT.
Module:
dfhgrtrm
Destination:
Console