How to disable SACK in TCP connections on Windows 11?

H M 20 Reputation points

I am trying to communicate with incompatible equipment during specific times in the day and want to see how it affects the network. How can I disable SACK in TCP connections on Windows 11?

Windows 11
Windows 11
A Microsoft operating system designed for productivity, creativity, and ease of use.
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  1. Ian Xue (Shanghai Wicresoft Co., Ltd.) 33,941 Reputation points Microsoft Vendor

    Hi H M,

    Thanks for your post. Based on my research, SACK support in Windows is controlled through Registry at:

    Best Regards,

    Ian Xue

    If the Answer is helpful, please click "Accept Answer" and upvote it.

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