Top "Ora-12154" questions

ORA-12154: TNS:could not resolve the connect identifier specified

ORA-12154: TNS:could not resolve the connect identifier specified

The issue started when i installed the server version with already existing client version of Oracle 10g. Background : The Oracle …

oracle oracle10g database-connection ora-12154
Linking Oracle with SQL Server

I'm trying to link SQL Server 2005 to an Oracle 10g database. I've installed the Oracle client on the SQL server …

sql-server oracle ora-12154
Oracle (0x80004005)ORA-12154: TNS:could not resolve the connect identifier

I'm trying to connect to an oracle db from an ASP classic application, however I keep running into the ORA-12154 …

oracle asp-classic odbc database-connection ora-12154
TNS:could not resolve the connect identifier specified

I have oracle server 11g installed on my windows 7 machine. I have to install this server from a remote machine. …

oracle oracle11g oracleclient ora-12154
ORA-12154 when connecting using tns alias

I installed Oracle 11.2 on a Win7x64 laptop and almost everything works fine. One thing I don't understand, however. I …

oracle oracle11g tnsnames ora-12154
Error when trying to log in: ORA-12154

I am using Oracle 10g and PL/SQL Developer for the development. I have already tested from Net Manager that …

oracle plsqldeveloper ora-12154
Oracle EasyConnect connection string using a SID?

I'm trying to connect to an Oracle database through code (Ruby/DBI, but that's irrelevant) using an EasyConnect connection string. …

oracle ora-12154 ora-12514
ora-12154 could not resolve... with oracle instant client

Here are the details: I installed the oracle instant client 11.2.0.2.0 from the OTN download page on a windows 7 64 bit vm (…

oracle oracle-sqldeveloper tnsnames ora-12154
ORA-12154 error on Win7 64

Is there any solution for this error on Windows 7 64 bit (because I think it's the main cause) in .NET application? (…

.net oracle ora-12154