STAS and DC

Question

Hello Everybody, 
 We are moving from UTM to XG, now I'm the testing phase, and I'm having some issue with STAS and AD user authentication. For example, for a generic AD user, Authentication works occasionally, sometime everything run's well other times the same user must authenticate through the user and password. 
 I have in my company 4 DCs and only in two of them I've installed STAS. On XG Side as Authentication servers I've add only these two servers. 
 It it enough or I have to install STAS in every DC? 
 
 Thanks for helping me, 
 Alex

Ryan Partington · Answer

STAS on any DC that authenticates users, i.e. all DC's need at least the agent installing. I'd probably go for 1 suite install and 3 agents in your setup.

Ryan Partington · Answer

no they can't. you loose resilience but it's easier to troubleshoot if you only have the suite on one DC. It's your call how you proceed, you can install the suite on two, or even all of them if you want.

STAS and DC

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