How do I transfer a reseller's account?

I've posted this on CPanel and EV1Servers, and haven't had any responses yet. Time is very critical for this issue, so if ya'll could help me out, I'd really appreciate it!

I've recently acquired two other web hosting companies and am in the process of transferring everyone's accounts over to my server.

The problem is that I have a few resellers on Server A that I need to get onto Server B.

I am doing each account individually to ensure that no files/data is lost.

Can someone please provide me with a step by step guide to transfer reseller accounts individually (and all the accounts under them) and keep everything intact except for DNS changes?

 

 

 

 

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