Hi @somesoni2, are you following this migration instructions?
http://docs.splunk.com/Documentation/DBX/3.1.1/DeployDBX/MigratefromDBConnectv1
Please note this on the page:
"Since the deployment scenarios vary among different users, the script may fail to migrate your configurations. Therefore, you may require to redefine your configurations after DB Connect 3 installation."
Maybe you have to upgrade without prior migration and make changes manually afterwards.
I did it too, once and it worked fine. 🙂
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