Server Message Block 1 is no longer part of Windows 11 Home Page by default.

Most of you are familiar with Server Message Block (SMB1) and know what it is about. For those who don’t know, allow us to explain what exactly this is.

Server Message Block (SMB) is a communications protocol created by Microsoft to provide shared access to files and printers across network nodes.

Additionally, it provides an authenticated inter-process communication (IPC) mechanism. Now that we're fully caught up, we're sharing the breaking news.

In an effort to completely phase out SMB1, Microsoft has announced that SMB1 will no longer be installed by default in any Windows variant, now including Windows 11 Home previews from the Dev channel.

Windows users will still have access to SMB1

That being said, the SBM1 client will still be accessible in Windows 11 for systems that need to connect to older machines that don't support anything other than SMB1.

Therefore, users can install the SMB1 client from the list of optional Windows features. The Redmond tech giant also plans to remove all SMB1-related binaries and drivers from Windows in a future update.

Redmond officials said the company will release an out-of-band unsupported installation package for organizations that cannot abandon SMB1 for a more modern and more secure standard.

You may be interested to know that Microsoft deprecated SMB1 in 2013 due to a number of issues that ruined the user experience.

And, as of 2017, the company no longer ships most versions of Windows with SMB1 by default, but retains the ability to enable the client in the Home and Pro SKUs.

If the operating system does not detect outbound SMB1 traffic within 15 days, it automatically shuts down the client.

How do I check SMB1 status on my PC?

1. Press Win R and enter the Optional Function command.
2. Scroll down and check the box next to SMB 1.0/CIFS File Share Support.

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