978739 wrote:Either the database service (OracleServiceXE) isn't running or you have specified the wrong SID in the connection details. The lsnrctl output in your previous post suggests the database isn't running.
After starting OracleXETNSlistener i tried to create a new connection.
Now i am getting error like "Test failed:listener refused the connection wih the following error:ORA:12505 TNS:listener does not currently know of SID giv..."
please check and resolve at the earliest.You are asking people to help you in their spare time. A bit of politeness wouldn't be a bad thing.