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Troubleshooting problems with ESDS files

I have a VSAM ESDS file defined with extended addressability. Can the ESDS file be allocated to the CICS regions? I have intermittent problems with this ESDS file. In some of the regions the files open up correctly but in some, the file fails with the following error code 'UNABLE TO POSITION ESDS. ERROR CODES: 8504,0000,0068'

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CICS does not support extended ESDS. These are ESDS bigger than 4GB, and we do not support RBAs bigger than 4 bytes. Please raise a requirement on CICS for this support.

Robert Harris
CICS Technical Strategist -- CICS expert at

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This was first published in May 2003

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