Change Server 2016 AD replication intervals

Where within Server 2016 can I change the length of time between Active Directory replication?
IT GuyNetwork EngineerAsked:
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Mal OsborneAlpha GeekCommented:
Between DCs on the same site, or in different sites? For the latter, go into Active Directory sites and services, and tweak the values on the site links.
IT GuyNetwork EngineerAuthor Commented:
For Domain Controllers within the same site.
LearnctxEngineerCommented:
In the interests of saving time, I'll link to a previous post on this topic: EE#a42217348. The general gist is that intrasite replication will occur within 60 seconds in a healthy AD environment. If replication is calculated to take longer than 60 seconds KCC will create additional intrasite links to cut down replication time. For intersite replication, the default minimum if 15 minutes unless you modify the change notification settings on the site links (see here).

If you truly want to modify the intrasite replication intervals you can via the registry: https://technet.microsoft.com/en-us/library/cc739941(v=ws.10).aspx#w2k3tr_repup_tools_amfa. I don't know if this applies to OS > 2000/2003 any more.

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Mal OsborneAlpha GeekCommented:
Yeah, usual practice is to have DCs in separate sites if you want more control over replication. DCs in the same site are assumed to be connected with more than adequate bandwidth to handle replication traffic; usually they are on the same LAN. If replication traffic is problematic, then client machines authenticating and processing GPOs from the "wrong" server will generally be more of an issue.

What is your topology? Are the servers in question on the same subnet? Same switching infrastructure?
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Windows Server 2016

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