Windows Server in Azure: a surprise cautionary tale in cipher suites
https://learn.microsoft.com/en-us/azure/cloud-services/applications-dont-support-tls-1-2 https://learn.microsoft.com/en-us/windows-server/get-started/editions-comparison?pivots=windows-server-2019 https://learn.microsoft.com/en-us/windows-server/get-started/azure-edition https://learn.microsoft.com/en-us/windows/win32/secauthn/tls-cipher-suites-in-windows-server-2022 This post isn't intended to be a reference document or a set of instructions. Rather, I'm going to share my experience with a particularly pesky difference between Windows Server 2019, 2022, and 2025 using the usual ISO image versus one provided in/by Azure. The necessary information does exist but I could find no single source of information that clearly defines the issue - so I'm writing it here. We run a 3rd party backup platform on-prem. I won't name the vendor for privacy/security reasons. It has integrations into our backup storage provider via a storage protocol and an API. It also has integrations ...
