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We have a newly-acquired company with an AD domain, say domainB. We have a site-to-site VPN between domainB and the HQ domain - domainA, and also established bi-directional trust relationship between the two forests. Both are in Win 2003 AD level. <br />
We want to merge/integrate/consolidat<wbr />e domainB's AD user accounts into domainA and hope if possible the security/sharing permission etc will also be transferred. How to do that?
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We have a newly-acquired company with an AD domain, say domainB. We have a site-to-site VPN between domainB and the HQ domain - domainA, and also established bi-directional trust relationship between the two forests. Both are in Win 2003 AD level. 
We want to merge/integrate/consolidate domainB's AD user accounts into domainA and hope if possible the security/sharing permission etc will also be transferred. How to do that?

How to merge AD domainB into domainA ?

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.

Active Directory

The Microsoft Server topic includes all of the legacy versions of the operating system, including the Windows NT 3.1, NT 3.5, NT 4.0 and Windows 2000 and Windows Home Server versions.