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Hi,

I am in the process of migrating on-premise AD to Azure, for the same I found out that the on-premise AD must be routable. However; our current domain is non routable (abc.local). I am planning to have it changed to abc.com. Also my company website is abc.com & Google workspace is @abc.com. 

My domain is verified in Azure Custom Domain. Will I be encountering issue with DNS pointing if I go further with the above scenario?

Thanks


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4 Replies

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Huw3481
Mace
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Huw3481 This person is a Verified Professional
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HD IT Solutions is an IT service provider.

I believe current advice is still to have your local domain as a subdomain, so local would be corp.abc.com.
If you just use abc.com for local, you'll end up with split-brain DNS.
1
· · ·
adrian_ych
Mace
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There are different schools of thought for the naming of the 3 Domains
- Windows Domain (DCs etc)
- Public Domain
- Email Domain

But more commonly is not to have duplicates with their FQDN and/or user & host name. 

1
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user100547
Pimiento
OP
user100547

So better would be to rename domain name to abctech.com instead of abc.com and have a new custom domain abctech.com added & verified in Azure.

Thanks.

0
· · ·
EminentX
Datil
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As a point please consider that after you create an Azure AD Domain Services managed domain, you can't change the DNS domain name. Choose the DNS domain name carefully when you create the managed domain. For considerations when you choose the DNS domain name, see the tutorial to create and configure an Azure AD Domain Services managed domain.

1
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