![SOLVED] ORA-12560: TNS : protocol adaptor error in Oracle 21c | Fix Protocol Adapter Error - YouTube SOLVED] ORA-12560: TNS : protocol adaptor error in Oracle 21c | Fix Protocol Adapter Error - YouTube](https://i.ytimg.com/vi/Cl_S74k3H8k/mqdefault.jpg?v=6395a506)
SOLVED] ORA-12560: TNS : protocol adaptor error in Oracle 21c | Fix Protocol Adapter Error - YouTube
Step Into Oracle DBA ( SID ): Connect Amazon RDS from on premises gives ORA-12560: TNS:protocol adapter error
![ORA-12560: TNS : protocol adapter error // Oracle 18C XE Services missing during installation – Developer Network Q&A – ONE Community Forum ORA-12560: TNS : protocol adapter error // Oracle 18C XE Services missing during installation – Developer Network Q&A – ONE Community Forum](https://community.onenetwork.com/wp-content/uploads/wpforo/attachments/927/273-image.png)
ORA-12560: TNS : protocol adapter error // Oracle 18C XE Services missing during installation – Developer Network Q&A – ONE Community Forum
![Peoplesoft: ORA-12560 "TNS protocol adapter error" (Tns: Protocol Adapter Error Ora-12560 Connecting Via Sqlplus) Peoplesoft: ORA-12560 "TNS protocol adapter error" (Tns: Protocol Adapter Error Ora-12560 Connecting Via Sqlplus)](http://1.bp.blogspot.com/-k4uLDwuRXFA/TZy3aB-pc7I/AAAAAAAAAy4/NDrckOTSOoM/s1600/Oracle.png)
Peoplesoft: ORA-12560 "TNS protocol adapter error" (Tns: Protocol Adapter Error Ora-12560 Connecting Via Sqlplus)
![Solution for ORA-27102 : out of memroy error & TNS Protocol adapter error ORA12505 in Oracle Dtaabase 11g r2 on Windows Solution for ORA-27102 : out of memroy error & TNS Protocol adapter error ORA12505 in Oracle Dtaabase 11g r2 on Windows](https://apps2fusion.com/old/images/a10_oim/a11_oim/a3.png)
Solution for ORA-27102 : out of memroy error & TNS Protocol adapter error ORA12505 in Oracle Dtaabase 11g r2 on Windows
![ORA-12557: TNS:protocol adapter not loadable" launching Controller, caused by Windows system variable ORACLE_HOME ORA-12557: TNS:protocol adapter not loadable" launching Controller, caused by Windows system variable ORACLE_HOME](https://www.ibm.com/support/pages/system/files/support/swg/cogtech.nsf/0/f4dbaf248df2e54385258155002dfd04/Symptom/0.84.gif)