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Preventing a PowerExchange User ID From Being Reported as Inactive

Some z/OS sites have procedures for identifying and removing inactive users by using the LAST-ACCESS date in the RACF database. A user ID that only PowerExchange tasks use might be erroneously reported as inactive.

To avoid this problem, you can configure PowerExchange to update the LAST-ACCESS date in RACF whenever a connection task starts on the PowerExchange Listener on z/OS. To enable this updating of the LAST-ACCESS date, configure the following statements in the DBMOVER configuration file:

Set the UPDATE_USER_ACTIVITY statement to Y. For more information, see UPDATE_USER_ACTIVITY Statement.

Set the SECURITY statement to either (2,N) or (2,Y).

When the first parameter in the SECURITY statement is set to 2, the PowerExchange Listener verifies and executes a user connection request by using the user credentials of the requestor and not the user profile of the PowerExchange Listener. In this case, the LAST-ACCESS dates of the requesting user are updated. For more information, see SECURITY Statement.

To view active user details from RACF, including the LAST-ACCESS date, issue the TSO LISTUSER command with an authorized user ID.

Informatica recommends that you use the UPDATE_USER_ACTIVITY=Y statement to get updated

LAST-ACCESS

dates in RACF. Although updating the user activity might increase the elapsed time of a connection task, the increase is small in comparison to the overall elapsed time of setting up a z/OS language enclave for a new task. Also, you can deploy connection pooling to reduce the number of times tasks are created.

For more information about RACF, see the following IBM publications:

z/OS Security Server RACROUTE Macro Reference

z/OS Security Server RACF Macros and Interfaces

z/OS Security Server RACF Command Language Reference

z/OS Security Server RACF Security Administrator’s Guide

z/OS Security

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