DPS Protocol Error - "Inappropriate Protocol Op Type For An LDAP Request: 112"

(Doc ID 1982613.1)

Last updated on FEBRUARY 24, 2015

Applies to:

Oracle Directory Server Enterprise Edition - Version and later
Information in this document applies to any platform.


On : version, Other

When attempting to test an app after migrating from Directory Server 5.2 to,
the following error occurs.

[23/Oct/2014:15:31:02 +0000] - DISCONNECT - INFO - conn=240 reason="protocol error" msg="Inappropriate protocol op type for an LDAP request: 112"

The issue has the following business impact:
Due to this issue, migration to 11g is delayed.

Also, same search operations (with tcpdump showing abandon request) directly against version 5.2 or Directory Server does not cause the server to close the connection.


 Migration from 5.2 to


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