ATA Gateway + domain controllers

[João Garcias]

Hello, do I need configure Port mirror to all domain controllers or just one domain controller by domain or subdomain. example if I have a subdomain with 2 servers, I need configure both servers? Is it possible mix ATA gateway and ATA lightweight Gateway?  

[#2 · Accepted solution]

For best results, monitor ALL DC machines in the forest.

you can mix Gateways & Light weight Gateways, this is a common practice.

For light weight you won't need port mirroring of course, but notice that the capacity fits.

It's strongly advised to use the ATA sizing tool, although it's not perfect it usually give the best results.