Cannot update one of multiple 2022 servers in Azure environment. Error Error 0x80073701 ERROR_SXS_ASSEMBLY_MISSING

Vlad Mamalyga 5 Reputation points
2024-11-16T23:49:32.13+00:00

All CUs for one 2022 server fail over 3 months with error 0x80073701.

CBS log shows: Failed to pin deployment while resolving Update: Microsoft-Windows-Slb-Mux-Package~31bf3856ad364e35~amd64~~10.0.20348.1547.270

Somebody on this site mentioned that Microsoft-Windows-Slb-Mux belongs to "Software Load Balancer (SLB) for SDN", but we've never used SLB for this server.

Please advice what steps should be done to fix the problem.

Windows Server
Windows Server
A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.
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Azure Update Manager
Azure Update Manager
An Azure service to centrally manages updates and compliance at scale.
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