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Listener refused the connection with the following error: ORA-12505 solución (SQL Developer)
✅ How to fix: ORA-12505 sid xe is not registered with the listener | SQL Developer Error Solved ✅
sqldeveloper ORA-12505. TNS: listener does not currently know of SID given in connect descriptor
ora-12505 error while starting new connection
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Last Updated: August 14, 2026
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![FIX: ORA-12505 || ORA-12505: TNS:listener does not currently know of SID [solved] ✅ || 12505](https://i.ytimg.com/vi/vGJKs9bljrs/mqdefault.jpg)
![Oracle SQL Developer | Database not connecting SID issue [FIXED] 2022](https://i.ytimg.com/vi/O2QZX2YMf1Y/mqdefault.jpg)
