Today with Oracle 11 g R2 ODAC connections, a database SID underscore, middle OraSession connection is invalid error SID, environment is XP virtual machine, Delphi 7, ODAC6.80.0.47, normal connection among other SID is not separators, which master know the solution?

CodePudding user response:

A 64 - bit system? Try to install the 32 bit oracle client to try

CodePudding user response:

Looks like the SID cannot have underlined

CodePudding user response:

Prefer Unidac