TSSCAI not working at disaster recovery site.

Document ID : KB000096549
Last Modified Date : 18/05/2018
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Introduction:
TSSCAI not returning signed on acid at disaster recovery site testing.

Application works fine in production.

Disaster recover site is a mirror of their production systems.

There are no abends when executing the application using  TSSCAI.
Question:
TSSCAI not return acid of user signed on at their disaster recovery site. No data is being passed back in the commarea.

Application works fine in production.

Disaster recovery site is a mirror of their production systems.
Answer:
There were no phase messages during CICS initialization which means that TSS didnt startup in CICS.

Client brought up CICS, then ENF.

ENF needs to be completely initialized before CICS starts up or TSS will not initialize in CICS.

After recycling CICS and verifying the phase messages appeared, TSSCAI started working correctly.