Sid History Domain Trust

This is security feature.

Sid history domain trust. We can enable sid history to allow that object to authenticate against a list of any previous sids assigned to that object. During the migration you ll have to disable sid filtering to allow sidhistory to grant permissions from old domain. A regular user in a domain can contain the enterprise admin sid in its sid history from another domain in the active directory forest thus elevating access for the user account to effective domain admin in all domains in the forest. If sids cannot be resolved there the domain controller will send remaining sids to domain controllers in a trusted domain where the domain part of the sid matches the trust information.

Hello if you re planning an active directory migration you probably will use admt provided for free by microsoft. Sid history should be enabled on the outgoing trust of the trusting. Disabling sid filtering requires a level of trust between the two forests and ultimately those who are responsible for active directory. The sid history of user accounts and groups enables access to resources in the trusting domain in case the filtering is deactivated.

Essentially if a user is trying to elevate from a trusted domain the user will add a sid from the trusting domain to that user s sid history. During an active directory migration the sid history is used for migrated user accounts in the trusted domain target to gain access to resources in the trusting domain source. Admt series 1. Sidhistory can be temporarily enabled until all resources are migrated from the source domain.

Ideal administration simplifies the administration of your windows workgroups and active directory domains by providing in a single tool all the necessary features to manage domains servers stations and users. The answer is sid history. The trust link sees this as a potential compromise and filters from authentication requests all sids that are not from the trusted domain. With sid filtering disabled a rogue domain administrator could clone a sid from the other domain and add it to their sid history granting them unauthorized rights.

By default a trust doesn t allows users to access resources by using sid s from their sid history. It performs all the administration tasks like active directory management and reporting remote control operation for windows mac os x and linux active directory file server. Depending on whether the existing trust is external or forest based the syntax will. If you have a forest trust without sid filtering enabled also called quarantine it s possible.