Ews
The latest Ews coverage — news, analysis, and updates from the WindowsNews.AI desk.
48-Hour Exchange Hybrid Free/Busy Blackout Hits Unprepared Tenants September 16
At 07:00 UTC on September 16, 2025, Microsoft will flip a switch that breaks free/busy lookups, MailTips, and profile picture sharing between on-premises Exchange and Exchange Online for any hybrid...
Microsoft Ships September 2025 Exchange Hotfixes to Keep Hybrid Apps Running as October 31 Deadline Looms
Microsoft released a targeted set of Hotfix Updates (HUs) for Exchange Server this September, delivering a non‑security fix while ensuring the newly engineered dedicated Exchange hybrid application...
Microsoft and CISA Demand Hybrid Exchange Overhaul: October 31 Permanent Cutoff After Vulnerability Alert
Microsoft has drawn a hard line in the sand for hybrid Exchange administrators: after October 31, 2025, any on-premises server still relying on the legacy shared service principal for rich...
Microsoft’s August 2025 Hotfixes Force Skype for Business Hybrid Users to Switch Dedicated Apps by October 15
Microsoft dropped an August 2025 hotfix bomb for Skype for Business Server that kills the comfort of a shared service principal and replaces it with a tenant-owned Dedicated Hybrid Application....