Microsoft is set to end support for Exchange Server 2016 and 2019 on October 14, 2025, prompting urgent preparation for businesses. This cessation of support means Microsoft will stop delivering security patches, bug fixes, and technical assistance, leaving organizations vulnerable to cyber threats, compliance infringements, and operational disruptions. As these servers become prime targets for cybercriminals, organizations must explore available options to ensure business continuity and maintain security postures, making this decision critical for IT leaders and business decision-makers.
The end of support for Exchange 2016 and 2019 isn't just about losing updates - it's about serious security, compliance and operational risks.
Without security patches, Exchange 2016 and 2019 become prime targets for cybercriminals. Unpatched vulnerabilities can lead to data breaches, ransomware attacks and email-based threats.
If something breaks, IT teams will be on their own - leading to longer downtimes, costly troubleshooting and potential business disruptions.
Businesses must start preparing now, as the end of support means exposure to significant vulnerabilities and compliance risks.
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