DFS0403W IMS xxxxxxxxx CALL TO MVS ARM FAILED - RETURN CODE= nn,REASON CODE=nnnn.

Explanation

A call to the z/OS® Automatic Restart Manager (ARM) failed. The message text contains the type of call, represented by xxxxxxxx, and the return and reason codes. Values for xxxxxxxxx are:
REGISTER
Register with the z/OS ARM.
READY
Notify the z/OS ARM that IMS is ready to accept work.
ASSOCIATE
Notify the z/OS ARM that this is an XRF alternate or a Fast DB Recovery region.
UNKNOWN
An unknown request value was passed to DFSARM00.

System action

IMS ignores the return code and continues running.

Programmer response

To determine the reason for the failure, check the IXCARM return and reason codes. Then, correct the problem.

Module

DFSARM00