Six Colors
Six Colors

by Jason Snell & Dan Moren

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Microsoft Exchange finds a Y2K22 bug

Microsoft Exchange admins felt a great disturbance in the Force last night as it became 2022:

The “long” type allows for values up to 2,147,483,647. It appears that Microsoft uses the first two numbers of the update version to denote the year of the update. So when the year was 2021, the first two numbers was “21”, and everything was fine. Now that it’s 2022 (GMT), the update version, converted to a “long” would be 2,201,01,001 – which is above the maximum value of the “long” data type. @Microsoft: If you change it to an ‘unsigned long’, then the max value is 4,294,967,295 and we’ll be able to sleep easy until the year 2043!

Happy New Year, everyone.

—Linked by Jason Snell

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