TPX is unable to access cross domain applications.

Products

• TPX - Session Management

Issue/Introduction

Unable to access cross domain applications. Getting error message "Application not available"

PLU=XXXXXXXX  SLU=XXXXXXXX  USER=XXXXXX   REQ=29 00001004 00800000 TO APPL
  TERMSB=21B225C8 APPLSB=21B1D210 EB=214F5B80 RPL=21514D08
  RTNCD=10 FDBK2=12 MEANING=MACRO FAILURE, SENSE INCLUDED
  SENSE CODE=087D0001 MEANING=LU UNAVAILABLE

Check the TPX log for the VTAM error SENSE CODE. If the SENSE CODE=087D0001 MEANING LU=UNAVAILABLE refer to the IBM link below:

IBM VTAM Sense Code 087D0001

Check the syslog for message id IST663I failure sense code 08880008. Refer to the IBM link below:

IBM IST663I Message

Environment

TPX

Cause

The same LU XXXXXXXX was defined in the TPX VTAM Major Node in the source system and in the target system.

Resolution

Ensure that the specified LU is not in use by any other TPX VTAM node.

If using TPX multiple instances ensure that each TPX instances 

• Uses separate TPX VTAM Major Node.

• Has unique/different VTAM APPL and unique/different VTs(Virtual Terminals).