Microsoft finally sends TLS 1.0 and 1.1 to the cloud retirement home

Today is the day Azure Storage stops supporting versions 1.0 and 1.1 of Transport Layer Security (TLS). TLS 1.2 is the new minimum.

The change has been a long time coming. Microsoft warned users several years ago that February 3, 2026, was the cut-off date after which the deprecated standards would no longer be supported.

The minimum TLS version is enforced at the storage account level. Microsoft said: "If your storage account hosts other Azure Storage services (such as Azure Files, Queue Storage, or Table Storage), those services are also subject to the same TLS requirements."

TLS is a security protocol for encrypted communications between applications and servers. In this case, when storage data is accessed via HTTPS, communications are encrypted using TLS.

The retired standards, TLS 1.0 and 1.1, are, in a very real sense, from a different era of computing. TLS 1.0 ...