Ideally there shouldn't be any problem while running your scripts on different instances of same application. Find out exactly which property value is different between two versions, see if you can parametrize them or change them to reg ex...
If nothing works have conditional statement for these objects whereby the value should be picked depending upon the instance on which you are running the script.
If nothing works have conditional statement for these objects whereby the value should be picked depending upon the instance on which you are running the script.
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