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How to solve the LDAPSocketOpenError('socket connection error while opening: timed out') when do the fn_ldap app self-test?

How To


Summary

When customers run a self-test for the fn_ldap application, the test fails with the following output:

python
{'state': 'failure', 'reason': LDAPSocketOpenError('socket connection error while opening: timed out'), 'domain': 'xx.xx.xx'}
However, manual connectivity tests (e.g., telnet or curl) between the Apphost and LDAP server succeed, confirming network reachability.

The failure occurs due to a network CIDR conflict.
This article provide a solution to above issue.  

Document Location

Worldwide

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Document Information

Modified date:
27 July 2025

UID

ibm17240750