ORA-12154: TNS:could Not Resolve The Connect Identifier Specified, Following Upgrade to 10.2.0.5 on IBM z/OS (Doc ID 2007279.1)

Last updated on APRIL 24, 2017

Applies to:

Oracle Net Services - Version 10.2.0.5 to 10.2.0.5 [Release 10.2]
IBM z/OS on System z

Symptoms

10.2.0.5 z/os batch/TSO client connection attempting to use LDAP naming to connect to remote database fails with ORA-12154 TNS:could not resolve the connect identifier specified.
However, connections from a Unix System Services 10.2.0.5 client using LDAP naming are successful.

Changes

 Upgrade to 10.2.0.5 has been performed.

Cause

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