Step-by-Step Guide: Promoting a Server to Domain Controller and Configuring AD Sites

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A technical walkthrough details how to promote a member server, TAILWIND-MBR1, to a domain controller within the TAILWINDTRADERS domain using the Active Directory Domain Services Configuration Wizard. The process involves installing the AD DS role via Server Manager and configuring the server to join an existing domain named tailwindtraders.internal. Following promotion, the RID Master FSMO role is transferred from TAILWIND-DC1 to TAILWIND-MBR1 using the Active Directory Users and Computers console. Additionally, a new Active Directory site named Sydney is created on TAILWIND-DC1 and linked to the default IP site link. The guide covers subnet association with the new site as part of broader Active Directory infrastructure management.

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