Quest incident
Service Degradation: On Demand Migration Domain Rewrite Email Delivery
Quest is currently experiencing a minor incident affecting US Region and Australia Region and 1 more component, which began 2h ago. The vendor's full update timeline is below.
Affected components
Update timeline
- identified Jun 02, 2026, 08:45 PM UTC
Our cloud services provider is currently experiencing a service degradation in Exchange Online affecting customers using On Demand Migration Domain Rewrite. As a result, customers will experience significant delays or failures when sending and receiving emails. Queued messages in Domain Rewrite will be delivered once the service from our cloud service provider is accepting incoming messages. M365 Admins can track real-time updates on our cloud service provider's status page: https://admin.cloud.microsoft/?source=applauncher#/servicehealth/:/alerts/EX1331830 We are actively monitoring the situation and will update this notice as soon as new information becomes available.
- identified Jun 02, 2026, 09:50 PM UTC
Our cloud service provider is actively resolving the service degradation, and we are already seeing improvements — queued messages in Domain Rewrite are now being processed and accepted by Exchange Online. We are continuing to monitor the situation closely and will update this notice as further information becomes available.
- monitoring Jun 02, 2026, 09:59 PM UTC
Our cloud service provider is actively resolving the service degradation, and we are already seeing improvements — queued messages in Domain Rewrite are now being processed and accepted by Exchange Online. We are continuing to monitor the situation closely and will update this notice as further information becomes available.
- monitoring Jun 02, 2026, 10:00 PM UTC
Our cloud service provider is actively resolving the service degradation, and we are already seeing improvements — queued messages in Domain Rewrite are now being processed and accepted by Exchange Online. We are continuing to monitor the situation closely and will update this notice as further information becomes available.