Waiting on IXR messages are being issued during restore with IBM messages IEC393I CATALOG CONTENTION. How do we resolve this?

Document ID : KB000011594
Last Modified Date : 14/02/2018
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Introduction:

IEC393I CATALOG CONTENTION IXR catalog contention

Question:

Waiting on IXR messages are being issued during restore with IBM messages IEC393I CATALOG CONTENTION. How do we resolve this? 

Environment:
z/OS 2.2
Answer:

You will possibly see Waiting on IXR messages during some restores randomly on busy systems after you upgrade to z/OS 2.2. This is caused by an IBM error reported and resolved with IBM APAR OA5166:SYSIGGV2 not dequeed during recall for DADSM rename  

Once you APPLY this APAR the problem will be resolved. No action is required for CA ASM2 customers.