Current Status
All Systems Operational
Components
Recent Incidents
Client side signature fails to apply and the message 'Failed to acquire auth token' is displayed.
minorMay 28, 2026 · resolved May 29
Microsoft have confirmed that the original issue impacting customers was the result of a server-side change that has since been reverted. Our telemetry also confirms that over 40% of customer requests are coming from the newly released version that similarly resolved customer issues prior to Microsoft's deployment reversal, this continues to roll out. We intend to leave this fix in place as it improves the add-ins resilience to possible authentication issues. If you are currently experiencing any further issues with Exclaimer, please contact our Support team for assistance.
Message processing issues in EU
minorMay 28, 2026 · resolved May 28
The Azure SQL database in EU2 has been fully restored by Microsoft. EU2 endpoints have been re-enabled and mailflow is balanced. All services are confirmed healthy with no further impact to customers.
Customers using Username and Password for authentication not receiving secondary authentication code
minorMay 25, 2026 · resolved May 25
Engineers have confirmed that the previous service alert has been resolved. The service is now back to full health and is working as normal. Thank you for your patience.
Issues running Mail Flow Setup
minorMay 19, 2026 · resolved May 19
Exclaimer Customers using Exclaimer Cloud for Microsoft 365 would have encountered an error when attempting to run the connector setup wizard from the 'Manage Mail Flow' page, causing the wizard to fail to run. This issue would have no impact on customers who have not previously run the Connector Setup wizard for Microsoft 365
Signature application taking longer than expected
noneMay 11, 2026 · resolved May 12
This incident has been resolved.
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