Thanks for your reply Alexis! I have already published few tags and adobe analytics tool in DTM, then only i tried to Upgrade to Launch but it failed few times. Please find below screenshot for your reference and suggest to do the needful.
First of all I would like to thanks for your reply!My client wants step by step migration from DTM to Launch. He wants to use the same DTM Embed stage code for creating stage environment in Adobe Launch. There after DTM prod Embed code for creating Launch Production Environment.https://www.youtube.c...