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mediumWindowsupdatem365_message_center · Oct 8, 2026

Prepare for Windows Update certificate rotation in 2027

Windows Update certificates will expire in May and June 2027, requiring devices to be updated with replacement certificates to continue receiving updates.

“Services: Windows. <div><b>What and why</b></div><div>Certificates that help devices establish trusted connections to Windows Update will expire on May 17, 2027, and June 19, 2027. Devices must contain the replacement certificates to continue connecting to Windows Update and receiving updates after the applicable exp…”
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Security
endpoint_security
Audience
adminend_user
Environment
cloudon_premises
Classification confidence: 95%
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