On FMW Environment, Tnsping Fails with TNS-03505: Failed To Resolve Name

(Doc ID 2321685.1)

Last updated on OCTOBER 31, 2017

Applies to:

Oracle Fusion Middleware - Version and later
Linux x86-64
This issue does not reproduces on Windows environment
The file ldapus.msb is present in windows environment and is missing only in Linux environment.


On FMW environment, tnsping fails when using ldap.ora and sqlnet.ora to connect to the database.

TNS-03505: Failed to resolve name

Same configuration works in and



The issue can be reproduced at will with the following steps:
-Install fmw and Forms and Reports
-Configure ldap.ora and sqlnet.ora to lookup names using ldap first then followed by tnsnames.




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