| EX1279879 | Exchange Online | Users may be unable to respond directly to specific encrypted email messages from a shared mailbox in Exchange Online |
|---|
| Status | serviceDegradation |
|---|---|
| Classification | advisory |
| User Impact | Users may be unable to respond directly to specific encrypted email messages from a shared mailbox in Exchange Online. |
| Last Updated | 04/15/2026 14:23:15 |
| Start Time | 04/14/2026 19:04:35 |
| End Time | |
| Latest Message | Title: Users may be unable to respond directly to specific encrypted email messages from a shared mailbox in Exchange Online
User impact: Users may be unable to respond directly to specific encrypted email messages from a shared mailbox in Exchange Online. More info: Affected users see the following error: “This Message can’t be saved right now. Please try again later.” Affected users can send a new email message to the specific senders as a way to circumvent impact but are unable to respond directly to the existing thread. Current status: We’ve reproduced the issue internally and are analyzing these reproductions alongside our service-side data to isolate the root cause and determine a fix. Scope of impact: Impact is specific to some users who are served through the affected infrastructure, attempting to respond directly to specific encrypted email messages from a shared mailbox in Exchange Online. Next update by: Thursday, April 16, 2026, at 4:00 PM UTC |