Microsoft Graph enablement remains active across all V3 environments globally, with rollout across V2 environments continuing to progress as planned. Graph has now been enabled in multiple V2 regions, with additional regions currently being onboarded. Microsoft 365 backup cadence remains unchanged for V2 environments at three backups per day. V3 environments remain on a reduced cadence of one backup per day to maintain high backup success rates while migration and optimization efforts continue. Engineering teams continue to monitor platform performance, address isolated issues, and implement ongoing optimizations. Graph enablement across the remaining V2 environments is expected to be completed in the coming days.

Microsoft Graph enablement has been completed across all SaaS Protection V3 environments, with rollout across V2 environments continuing and expected to be completed in the coming days. To support service stability during the ongoing migration from EWS to Microsoft Graph, Microsoft 365 backup cadence remains adjusted in some environments. V3 environments are currently operating on a reduced backup schedule of one backup per day for M365 workloads to maintain high backup success rates during the transition. V2 environments continue to operate on the standard three backups per day schedule. Our engineering teams continue to closely monitor platform performance, address a small number of remaining service-specific issues, and implement ongoing optimizations. While migration activities remain in progress, some customers may continue to experience intermittent backup performance impacts for certain M365 workloads. Migration efforts continue to advance as planned and remain on track for completion by the end of September.

Microsoft Graph API enablement has been completed across all SaaS Protection V3 pods globally, with V2 node rollout progressing and expected to finish this week. Our R&D team is actively monitoring performance, addressing issues impacting a small number of V3 pods, and implementing ongoing optimizations. Migration from EWS to Microsoft Graph continues to advance, with completion currently expected by the end of September. During this transition, some customers may continue to experience temporary backup performance degradation for M365 services while migration activities remain in progress.

We continue to make steady progress on our migration efforts. Our teams are actively monitoring performance and stability as the rollout expands, and work remains ongoing to ensure a smooth transition while maintaining service reliability.

Backup success rate metrics across M365 services in all regions have remained consistent as our R&D team continues migration-related optimization efforts and monitors overall service health and performance. While migration activities completed to date have delivered positive results, additional optimization work has been identified during ongoing monitoring efforts. To ensure these items are addressed appropriately, the maintenance window has been tentatively extended through Sunday, September 20, 2026. Some customers may continue to experience backup performance impacts affecting select Microsoft 365 services while this work remains ongoing. The R&D team remains actively engaged and focused on further improving backup performance and reliability while minimizing customer impact. We appreciate your continued patience and will provide further updates as work progresses.

Backup success rate metrics continue to steadily improve across M365 services in all regions as our R&D team progresses migration efforts and implements additional optimizations. Service health and backup reliability continue to trend positively, with teams focused on further performance improvements and completing the Microsoft Graph migration while closely monitoring backup health and system performance across the environment.

Our R&D team continues to make strong progress on the Microsoft 365 backup recovery effort and migration activities. Backup success rates have improved significantly across all Microsoft 365 services and regions. Migration and optimization efforts remain ongoing as teams focus on further improving performance and completing the remaining work. While some customers may still experience intermittent delays, overall service health and backup reliability continue to trend positively. Our teams remain actively engaged and will provide additional updates as progress continues.

Our R&D team continues to make progress restoring and stabilizing Microsoft 365 backup operations. Additional Microsoft Graph API migrations have been completed across multiple regions, and recovery efforts continue to deliver improvements across affected services. To support recovery and maintain backup reliability, backup cadence remains temporarily adjusted for some Microsoft 365 workloads. In addition, changes have been implemented to distribute backup processing more evenly across regions, helping reduce peak load and improve overall system performance. As a result of these optimization efforts, some customers may continue to experience delayed backup start times or intermittent backup delays while processing is normalized across the environment. Backup operations remain active across all supported Microsoft 365 services. Many affected services and regions have stabilized, and recovery progress continues across the remaining environment. Our teams remain focused on completing the remaining work and are closely monitoring backup health and performance.

Our R&D team has deployed additional changes to mitigate the issue affecting M365 backup operations. Since these changes were implemented, we have observed continued improvement in backup success rate metrics across affected regions. Our teams are closely monitoring backup health and performance as recovery progresses and will continue to evaluate the effectiveness of the recently deployed mitigations. While improvements have been observed, backup success rate metrics continue to recover, and some customers may still experience intermittent delays while the environment stabilizes.

Our R&D team continues to actively address the issue as a top priority. Work is ongoing to implement corrective measures, while teams closely monitor service performance as recovery efforts progress. We will provide additional updates as more information becomes available.

We are aware of degraded backup performance affecting Microsoft 365 services, including Exchange, OneDrive, SharePoint, and Teams, as ongoing maintenance and migration activities continue. Some customers may experience intermittent backup delays, reduced backup performance, or missed backup cycles while our R&D team works toward full service restoration. Our R&D team has identified the contributing factors and is actively implementing fixes while continuing the migration from Exchange Web Services (EWS) to Microsoft Graph APIs. This migration remains an important initiative to improve long-term platform performance, scalability, and reliability; however, we are currently seeing increased API throttling and processing delays affecting Microsoft 365 backup operations across multiple workloads. Our teams are closely monitoring backup health and performance across all regions and are deploying additional optimizations designed to reduce throttling, improve processing efficiency, and restore normal backup operations. Google Workspace services are not affected by this issue and continue to operate normally. We will continue to provide updates as additional information becomes available.

As part of the ongoing migration effort, a planned maintenance window is scheduled for all regions to begin today Friday, September 4, 2026, and continue until Tuesday, September 8, 2026. During this period, our R&D team will be implementing additional changes and optimizations to further improve performance, reduce API throttling, and support the continued transition to Microsoft Graph APIs. Our teams will closely monitor backup health and performance throughout the maintenance window. While overall service stability remains strong, some customers may experience occasional backup delays, reduced backup performance, or missed backup cycles for Microsoft 365 services as migration and optimization activities continue. Our teams will continue to closely monitor backup health and performance throughout the maintenance window and provide additional updates as they become available.

SaaS Protection backup performance remains strong across all regions and supported services. Backups for Google services, OneDrive, and SharePoint continue to run on the standard three-times-daily schedule. To support consistently high success rates during the ongoing transition from Exchange Web Services (EWS) to Microsoft Graph APIs, Exchange and Teams backups continue to operate on a temporary twice-daily cadence. Our R&D teams remain focused on the migration effort, making and refining configuration changes as needed while closely monitoring backup health and performance. Although overall system stability remains strong, some customers may continue to experience occasional backup delays or missed backup cycles due to API call throttling as migration and optimization activities progress. The migration from EWS to Microsoft Graph APIs is ongoing and is still projected for completion between late August and early September 2026.

SaaS Protection backup success rates across all services and regions remain high. Google services, along with OneDrive and SharePoint, continue to process backups at the normal 3x daily cadence. Exchange and Teams backup cadence remains temporarily reduced to 2x daily backups to help maintain high backup success rates during the ongoing migration from Exchange Web Services (EWS) to Microsoft Graph APIs. Our R&D team continues to implement and refine configuration adjustments throughout the migration process and is actively monitoring backup performance across all regions. While overall performance remains stable, some customers may still experience intermittent backup delays or missed backups as optimization and migration efforts continue. The migration to Microsoft Graph APIs remains in progress and is currently expected to be completed between late August and early September.

Backup operations remain healthy, with success rates staying high across all services and regions following the recent changes. Work on the EWS to Microsoft Graph API migration is ongoing, and our R&D team continues to monitor for any further issues.

Our R&D team has completed deployment of the latest changes for the Graph API components as part of the ongoing migration and backup success rates for all services across all regions remain high. We are continuing to monitor.

Backup success rate metrics for all services across all regions continue to remain stable at normal levels. Our R&D team is actively completing deployment of additional improvements to all regions and they are continuing to monitor.

Backup success rate metrics for all services across all regions have recovered and remain stable at normal levels. Google services, along with OneDrive and SharePoint, continue to process 3x daily backups while Teams and Exchange services remain temporarily set to 2x daily backups to maintain high success rates as the migration to Microsoft Graph APIs progresses. Our R&D team is continuing to monitor.

Our R&D team has deployed additional improvements, and backup cadence has now been restored to 3x daily backups for all Google services, OneDrive, and SharePoint across all regions. Exchange and Teams backup cadence remains temporarily set to 2x daily backups to help maintain high backup success rates during the ongoing transition to Microsoft Graph APIs. We have observed continued improvement in backup performance following these changes, and our R&D team is closely monitoring backup success rates across all affected regions. Additional performance enhancements are currently being deployed to further reduce API throttling, improve backup performance, and accelerate recovery. Deployment of these changes is expected to be completed early next week.

Datto SaaS Protection is currently experiencing degraded backup performance and missed backups for some Microsoft 365 services across multiple regions. The issue has been linked to increased API activity and application-level throttling associated with the ongoing transition from Exchange Web Services (EWS) to Microsoft Graph APIs. Affected regions: US (USE/USW) Australia (AUE) Canada (CAE) Germany (DES) UK (GBE) Singapore (SG) Our R&D teams have identified the primary contributing factors and are actively working to restore full service functionality. Multiple mitigation measures have been implemented, including application performance optimizations, infrastructure and capacity improvements, deployment of configuration changes across affected SaaS Protection pods, and a temporary reduction in backup cadence from 3x daily backups to 2x daily backups to help reduce API demand and improve backup success rates during the transition. These actions have resulted in measurable improvement, with backup success rates increasing across all affected regions over the past 24 hours. While performance continues to stabilize, some customers may still experience backup delays or missed backups as remediation efforts continue. Additional software enhancements are scheduled for deployment this week to further reduce API throttling, improve backup performance, and accelerate recovery. Customer data protection remains the highest priority, and our R&D teams continue to closely monitor the environment while implementing further improvements. Updates will continue to be provided through the Kaseya Status Page as progress is made toward full service restoration.