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On October 31, 2021, Windows Server Update Services (WSUS) 3.0 Service Pack 2 (SP2) will no longer synchronize and download updates.
WSUS is key to the Windows servicing process for many organizations. Whether being used standalone or as a component of other products, it provides a variety of useful features including automating the download and installation of Windows updates.
Extended support for WSUS 3.0 SP2 ended on January 14, 2020, in alignment with the end of support dates for Windows Server 2008 SP2 and Windows Server 2008 R2. It is, however, still possible to synchronize and download updates from Microsoft using WSUS 3.0 SP2.
WSUS relies on several different components for secure communication. The protocol that is used for a given connection depends on the capabilities of the associated components. If any component is out of date, or not properly configured, the communication might use an older, less secure protocol. Microsoft is transitioning all endpoints to the more secure TLS 1.2 cryptographic protocol. WSUS 3.0 SP2 does not support this newer protocol. As a result, any organizations still using WSUS 3.0 SP2 must migrate to a currently supported version of WSUS by October 31, 2021.
For guidance, see Deploy Windows Server Update Services.
Brought to you by Dr. Ware, Microsoft Office 365 Silver Partner, Charleston SC.
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