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Company name change requiring domain change

Posted on 2016-10-26
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Last Modified: 2016-11-04
Does anyone have experience with changing Windows Domain name and all other moving parts (e.g. Exchange, Workstations, SQL, Office 365, etc....)

I will need to start putting together a work plan for this change and wanted someone that had experience with this give me their pitfalls and help me avoid them.  Reference links are great also.  Anything that can assist with getting me up to speed.


thanks all
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Question by:yo_bee
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by:David Johnson, CD, MVP
David Johnson, CD, MVP earned 700 total points
ID: 41860840
A company name change does not require a AD domain name change.  If this is requested by the company you have to do an active directory migration  which if you have not done this in a lab or live environment hire a professional that has experience in this.

you can add newdomain.com to your accepted domains and ADD joe@olddomain.net to a mailbox joe@newdomain.com, the same with websites
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by:yo_bee
ID: 41861165
A few things that come to mind that would be affected by a domain migration:
  1. NETAPP SAN/NAS CIFS and NTFS security
  2. Computers needing to be joined to the new domain
  3. Moving Exchange to the new domain

These are just a few things.  can you speak on any of them?
Note this is a Single Forest/single Domian structure.  Not a very complicated setup, but there is a NetApp with 40 TB of files as well as an exchange.  I thinking the powers that be will want nothing of the previous company's name around.

I was looking at doing an IntraForest restructuring/migration using ADMT and I am guessing that I need to build new Exchange Servers and move the mailboxes over.
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sAMAccountName earned 1300 total points
ID: 41863077
I've succesfully renamed domains in test using RENDOM.

RENDOM (Technet)

It isn't without gotchas though.  You have to understand all the dependencies built into and on the AD domain.  Some things wont tolerate the change, like certificates.  Many devices which are configured to use AD for LDAP or authentication will need to be reconfigured.  

It is possible to rename a domain, its just not without risk.
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by:yo_bee
ID: 41863301
Thank you all for you input. I am going to use this information to  see how important it is to the CEO that domain name stays.
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by:yo_bee
ID: 41874566
It looks like I have to do a ADMT along with Exchange swing, SCCM, SQL and all LDAP  :(
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