User Guide > User Guide > Using Runtime Engine > Invoking Runtime Engine Using CLI > Running Multiple DataConnect Versions
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Running Multiple DataConnect Versions
When installing and running multiple version of DataConnect on the same system, it is very important to not have the following in the system variables:
PATH: Path to djengine
DIJIB: Path to initialization file
Instead, use a .bat file to set the paths that are specific to the environment where you are trying to run DataConnect. For example, if you are running 11.1.1 and 11.4 on the same system, then make sure you launch DataConnect IDE through the installed .bat files. Also, make sure that the variables set in the .bat file are not contradicted by the same settings in the system environment.
Last modified date: 01/25/2022