Known Issue Rollback to fix Windows 10 bugs

Known Issue Rollback to fix Windows 10 bugs

It happens quite frequently that the monthly cumulative updates of Windows 10 introduce some bugs. However, Microsoft almost always states that the problem is limited to a few isolated cases. This is true because the Redmond company has developed a technique, known as Known Issue Rollback, which allows you to immediately block the distribution of the update and release a new fix in a short time.

Windows 10 and bug fixes

Since the launch of Windows 10, Microsoft has recommended the use of a modern operating system to avoid cyber attacks that can cause enormous damage to businesses. But in some cases the problems stem from bugs introduced with the monthly updates. For this reason, the KIR (Known Issue Rollback) functionality has been developed for bugs in non-security updates (restoring vulnerable code exposes the operating system to greater risks).

Microsoft developers insert in 'monthly update a conditional statement to determine the code execution path. If the fix causes problems, the Redmond company makes a configuration change in the cloud to restore the previous code the next time the device is restarted.



This is possible thanks to the diagnostic data that it users can send to Microsoft (optional option). In many cases, a new fix is ​​published before the majority of users install the problematic update, so they won't notice anything.

For companies the process is slightly different because the updates are not installed automatically. The IT administrator can then use a group policy to configure and apply the KIR functionality. Obviously, the cloud configuration is short-lived because Microsoft releases the new fix quite quickly. The group policy then becomes useless and can be deleted.

Source: Microsoft
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