Hi @adil ,
Here is a article about how to move SharePoint Servers to different domain (New AD).
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1.Backup SharePoint farm completely.
Navigate to Central Administration -> Operations -> Perform a Backup and backup the entire farm. If there is any problem with UI then use command line option and enter the following command:
stsadm -o backup -directory c:\backup – backupmethod full
2.Run the products and configuration wizard to break the configuration.
3.Remove from existing domain.
4.Join to New domain.
5.Run the products and Configuration wizard and configure the new SharePoint environment.
6.Restore the web applications (that was backup in step#1) and also please ensure that you don’t restore the configuration wizard and Administration Content Database.
7.Perform the user account migration as stated below.
8.Migrate User Accounts and Groups as explained below.
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