- You cannot connect to the database
- When you try to connect, the system hangs
- Restarting the listener doesn't resolve the problem
- Restarting the database resolves it temporarily, but after a while the issue happens again
- Listener.log file shows the following messages for the connection attempts:
TNS-12560: TNS:protocol adapter error
TNS-00530: Protocol adapter error
64-bit Windows Error: 258: Unknown error"
- SAP Systems based on SAP NetWeaver
- Windows operating system
- Oracle database
ora, tns, 12518, 12560, 530, tns-530, cannot, connect, can't, cant, listener, hanging, freezing, freezes , KBA , BC-DB-ORA , Oracle , BC-DB-ORA-DBA , Database Administration , Problem
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