WSUS and the Domain Controller

On first glance it might be tempting on smaller networks to put the Windows Server Update Services (WSUS) on the DC; it won't drag that much performance, right? But no, according to MSDN the impact will be "If WSUS is installed a domain controller, this will cause database access issues due to how the database is configured."

Sources:
WSUS: WSUS should be installed on a non-domain controller
Guidance about WSUS on a Domain Controller
Step by Step : Installing & Configuring WSUS in Server 2012 R2
Step by Step : Installing & Configuring WSUS in Server 2012 R2, Comment

Keywords:
Windows Server 2012 R2, Updates, WSUS, Domain Controller

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