ORA-ERRORS

Hi, Sometimes You can get “ORA-12527: TNS:listener: all instances are in restricted mode or blocking new connections ” error.

Hi, Sometimes You can get “ORA-12526: TNS:listener: all appropriate instances are in restricted mode ” error.

Hi, Sometimes You can get “TNS-12526: TNS:listener: all appropriate instances are in restricted mode ” error.

Hi, Sometimes You can get “ORA-12525: TNS:listener has not received client’s request in time allowed ” error.

Hi, Sometimes You can get “TNS-12525: TNS:listener has not received client’s request in time allowed ” error.

Hi, Sometimes You can get “ORA-12523: TNS:listener could not find instance appropriate for the client connection ” error.

Hi, Sometimes You can get “TNS-12523: TNS:listener could not find instance appropriate for the client connection ” error.

Hi, Sometimes You can get “ORA-12521: TNS:listener does not currently know of instance requested in connect descriptor ” error.

Hi, Sometimes You can get “TNS-12521: TNS:listener does not currently know of instance requested in connect descriptor ” error.

Hi, Sometimes You can get “ORA-12520: TNS:listener could not find available handler for requested type of server ” error.