Exchange ActiveSync CBA ending: avoid “Can’t Connect” errors by migrating now
Source: Feeds.4Sysops
Published:
<p>Microsoft announced on May 8, 2026, that it will retire direct certificate-based authentication (CBA) for Exchange ActiveSync (EAS) by the end of 2026. If your organization uses certificates to authenticate mobile devices against Exchange Online, you must migrate to a new method before the deadli