VMS: Troubleshooting Guide for TNS-12500 Errors on Alpha OpenVMS
(Doc ID 93322.1)
Last updated on JUNE 05, 2019
Oracle Net Services - Version 220.127.116.11 to 10.2.0.4 [Release 9.2 to 10.2] HP OpenVMS Itanium HP OpenVMS Alpha
This document is intended to help in resolving the most common reasons for ORA-12500/TNS-12500 errors on OpenVMS in Oracle 9.2 and up. Much of the information also applies to versions of Oracle on OpenVMS going back to 7.3.3, but this document concentrates on newer versions.
This article does not include Oracle Names Server problems, it is only based on systems that make connections using TNSNAMES.ORA.
The intended audience is Oracle personnel, and Oracle customers who encounter this error.
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