While doing upgrade to 19c, dbua getting failed during netca listener creation in windows with following error TNS-12557: TNS:protocol adapter not loadable TNS-12560: TNS:protocol adapter error TNS-00527: Protocol Adapter not loadable Solution : Before you start DBUA, please check the windows or...
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Oracle Net Services - Version 11.2.0.1 and later: TNS-12557, TNS-00527 when starting the TNS Listener on Microsoft Windows