Hello thisismy first contributionin this groupis quite simplebut hadcomplicatedfor several hoursto a colleaguebasis. after theend oftheupgradefrom 10G to11Goraclewasimpossible to start theSAPsystem. The firstreviewto performandgivelight onthe error.the executeR3trans-d showedthe following:
The error ORA-27101indicating thatthe databasewas down. but it reallywas up
After reviewingthe systemI foundthe causeof the problem.thelistenerstillmaintained theancientoracle10Genginesettings (ORACLE_HOME):
the problem was solved change configuration listener and restart:
Then R3trans -d are OK and sap start without problems.
