Y2K22 – The First Bug of the New Year Cripples Exchange Mail Servers
January 2, 2022
In this blog, I will discuss a bug that affects all unpatched Microsoft exchange mail systems that use the FIP-FS antivirus engine (introduced in Microsoft Exchange 2013) this bug is a result of the limitations of 32 bit integers used to represent dates and causes email to not be sent until you follow instructions linked below to fix it.
Guide to fix the bug: