How to solve ORA 12528 error?
Restarting the Oracle instance can solve transient ORA-12528 errors. Typically (in Oracle 9i and above), when you “shutdown” an Oracle database, that process “unregisters” the database with the LISTENER. Then when you “startup” the database, it “registers” with the LISTENER.
What is ur A in Tnsnames Ora?
UR=A is a sub-attribute of attribute CONNECT_DATA for a connect identifier in tnsnames. ora, it’s meant for lifting blocked state of dynamic services.
What is restricted session in Oracle?
Only database administrators should have the RESTRICTED SESSION system privilege. Further, when the instance is in restricted mode, a database administrator cannot access the instance remotely through an Oracle Net listener, but can only access the instance locally from the machine that the instance is running on.
What does Cannot find available handler for requested type of server?
In this case “could not find available handler” means you have reached your maximum concurrent users. However, you could increase your maximum through connection tuning. In particular, the “multi-threaded server” connection option could be helpful here. Connection tuning is a highly technical subject.
How do I get my database out of restricted mode?
To lift an instance from restricted mode, use ALTER SYSTEM with the DISABLE RESTRICTED SESSION clause. See Also: “Terminating Sessions” for directions for killing user sessions.
How do I fix my ORA 12520?
Oracle Database Error Code ORA-12520 Description Action: Run “lsnrctl services” to ensure that the instance(s) have registered with the listener and that the appropriate handlers are accepting connections.
How do I fix my ORA 12516?
Possible fixes for the ORA-12516: 1.) As a Fix, increase the value for PROCESSES in the init . ora file of the instance.
How do you fix Ora 27101 shared memory realm does not exist?
The solution in Windows may be to start the Windows services.
- MOSC offers valuable information regarding ORA-27101.
- To resolve this issue with ORA-27101, you should be sure that ORACLE_HOME and ORACLE_SID are correct, and ORACLE_HOME should not have trailing slash.