Can SharePoint 2013 be Installed across multiple domains for a three-tier farm without configuring domain trust?
https://sharepoint.stackexchange.com/questions/242380
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Can SharePoint 2013 be Installed across multiple domains for a three-tier farm without configuring domain trust?
Ex:
Domain A : Application servers and database servers.
Domain B : Front end servers.
Domain trust should not be configured and front end servers should use SQL authentication to join the farm and SQL aliases are configured in front end servers.
Would greatly appreciate any ideas and suggestions.
Solution
Not with 2013+. What is the purpose behind doing so? If you're doing this because you want to place the FEs in a DMZ, re-think the strategy. It would be far more secure to place the entire farm internally and use a reverse proxy in the DMZ (or a service like Azure AD App Proxy).
EDIT: And with your FEs in another untrusted domain, you wouldn't be able to use the People Picker for users in DomainA regardless.
