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Microsoft Exchange email was broken by a Y2K-esque bug

03
Jan
2022
Microsoft Exchange email was broken by a Y2K-esque bug

image credit: pixabay

The bug that caused a number of New Year’s Eve emails to get stuck in a queue has finally been fixed, Microsoft says.

The bug prevented emails for on-prem Microsoft Exchange servers to be delivered, due to an error with the dates. As reported by BleepingComputer, early investigation into the bug discovered that Microsoft Exchange email service was checking the version of the FIP-FS antivirus scanning engine, and tried to store the date in a signed int32 variable. The variable can store the value of up to 2,147,483,647, less than the new date value of 2,201,010,001, for January 1, 2022.

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