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Inter-Site Topology Generator (ISTG).

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6 replies

by aben16

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Hi,
I have recently moved roles from a domain controller to another.
I'm going to remove the first one from the network but before that I want to be sure that I won't have problems afterwards
The new one seems to work very fine.
The problem is that the one I want to remove is still acting as the Inter-Site Topology Generator.
I can see that in the NTDS site settings.
Is the new domain controller going to take ownership of the role after demoting the other one? because I tried to change itmanually but I was not able.
Tanks.

6 replies

by monice

"In the event that a new ISTG needs to be established, each domain controller orders the list of servers in ascending order by their Globally Unique Identifier (GUID). The domain controller that is next highest in the list of servers from the current owner takes over the role, starts to write the "interSiteTopologyGenerator" attribute, and performs the necessary KCC processes to manage inbound connection objects for bridgehead servers." Quoted directly from Q224815.

Good luck!

by aben16

We have only one site.
Maybe this won't affect us.
Inter-site Topology settings?

by aben16

We have demoted the domain controller and it is still acting as the inter-site topology generator. Can we delete " NTDS settingd" in active directory site and services and create another one with the other domain controller as the inter-site topology generator?
Thank you

by aben16

We had to reboot the two other domain controllers. After that the domain controller which has been installed after the one we have just removed took ownership of the ISTG.
And everything is working just fine.
Thank you

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