Outage in Quest
Service Degradation: On Demand Migration Domain Rewrite Email Delivery
Resolved MinorIncident Report
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.
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Latest Updates ( sorted recent to last )
RESOLVED
7 days ago - at 06/03/2026 05:06AM
Our cloud service provider has resolved the degradation in Exchange Online. Queued messages in Domain Rewrite are being processed and delivered.
MONITORING
7 days ago - at 06/02/2026 10:00PM
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
7 days ago - at 06/02/2026 09:59PM
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.
IDENTIFIED
7 days ago - at 06/02/2026 09:50PM
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.
IDENTIFIED
7 days ago - at 06/02/2026 08:45PM
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.
Latest Quest outages
Cloud Service Provider Outage - 12 days ago
Partial Outage - On Demand Migration - about 2 months ago
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Disaster Recovery for Identity for Active Directory Impacted - 6 months ago
Cloud Service Provider OneDrive Service Degradation - 6 months ago
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