I am having some problems when trying to sign on to OEM. When I try to sign on, I get invalid login credentials. The DBA authority hasn't changed and I can still see all the other stuff I used to (SQL,DBA Studio). Also, I can get to DBA Studio from the server but not at my desk as the client, I get an error... TNS Could not resolve service name. Any ideas?
Check your TNS names, search for TNSNAMES file in your Drives and modify accordingly
Do you have a copy of your TNSNAMES.ORA in both your Network and Net80 directory. Certain Oracle products connect out of the Net80 directory and certain ones use the Network directory
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Check your ORACLE_SID parameter. Check the entries in TNSNAMES.ORA and verify that your listener is running.
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If you are not sure of How to configure ur tnsnames.ora file make a copy of tnsnames.ora file from your server to a floppy and copy it to your client system into network as well as net80 folders I think that should solve your problem
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