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Hello,

I have the following Problem:

The Oracle XE database was moved to a new hardware. So I have set the new option in my programm, with the reason: In the Environment I can connect the database without any problems. But on run, there are no connection.
With a new programm, it works fine.

Try to move your program to another folder. ODAC can not connect to database if the path to the program contains brackets. This is the limitation of OCI.

Hello,

I moved the sourcecode to another directory. But no reason. In the enviroment, when I switch the OraSession-Property Connected into TRUE, so I see in all objects the datas. But when I start the programm, I get the message >NET: Service unavailable<.

Please inform us whether you use Net option to connect to the database.
Try to make from your program a sample project that demonstrates the problem and send it to us.

today, I receive the new Version of ODAC (5.70 for Delphi7). Now it works.