Microsoft issues emergency fix for Exchange Server date-check bug

▤ Summary

Microsoft has provided an emergency fix for a date-check bug that hit Exchange on-premises servers starting January 1, 2022. According to Microsofts blog post, the problem was caused by a date-check failure and not a security issue. Microsoft officials provided automated and manual solutions, noting that the time it may take to run its scripts can vary, depending on the size of the organization. Microsoft officials said last year they were working on a new on-premises version of Exchange that would require a mandatory subscription in order for users to get security and other updates to the product. Microsoft officials also decided earlier last month not to release the usual Exchange Server cumulative updates in December.

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