Active Incident

Updated a few seconds ago

[HSE20260219-01-I] Incident: Degraded Performance: Total Protection synchronizationOperational

Incident Status

Operational

Components

365 Total Protection

Locations

Global


February 24, 2026 18:39 CET
February 24, 2026 17:39 UTC
MONITORING

We are currently recovering user specific settings for all affected users. At this stage we have completed the restoration efforts of allow & deny list entries, out of office notifications and user specific archiving settings. Further restoration efforts are underway, and we will continue to provide updates here.

February 23, 2026 18:19 CET
February 23, 2026 17:19 UTC
MONITORING

All E‑Training data related to our Security Awareness Service has been successfully restored as well. Further restoration efforts will be made and updated here.

February 23, 2026 10:45 CET
February 23, 2026 09:45 UTC
MONITORING

All role assignments have been successfully restored. We will continue our restoration efforts for the remaining outstanding data.

February 20, 2026 17:25 CET
February 20, 2026 16:25 UTC
MONITORING

We will continue our restoration efforts throughout the weekend. Another update will be provided as soon as additional progress has been made.

February 20, 2026 01:45 CET
February 20, 2026 00:45 UTC
MONITORING

Restoration of settings and configurations is still in progress. We will provide an update once there are further developments.

February 19, 2026 19:20 CET
February 19, 2026 18:20 UTC
MONITORING

All affected mailboxes are available in Control Panel again. We are still working on restoring settings and configurations. A further update will be shared once this process is complete.

February 19, 2026 14:14 CET
February 19, 2026 13:14 UTC
MONITORING

We are currently restoring affected users and their respective data and Control Panel settings. We will issue another update on the current status later today.

February 19, 2026 11:02 CET
February 19, 2026 10:02 UTC
MONITORING

The Total Protection Sync is operational again. We are currently monitoring the Situation.

February 19, 2026 10:18 CET
February 19, 2026 09:18 UTC
IDENTIFIED

We successfully identified the root cause. While a fix is being prepared we have intermittently halted any further synchronizations to M365. Other services and email flow are not affected.

February 19, 2026 09:16 CET
February 19, 2026 08:16 UTC
INVESTIGATING

We are investigating reports regarding the deletion of licensed mailboxes by the total protection synchronization The cause is currently being analyzed in more detail. Other services and email flow are not affected.
Outlook Add‑ins MissingDegraded Performance

Incident Status

Degraded Performance

Components

365 Total Protection

Locations

Global


February 24, 2026 18:56 CET
February 24, 2026 17:56 UTC
INVESTIGATING

We continue to work closely with Microsoft as we investigate the Deploy Issues with our Outlook Add‑ins. Our high‑priority support case remains active, and we are staying in constant communication to support their efforts. At this stage, we unfortunately cannot provide a solution yet, but we highly recommend utilizing the workaround shared below. We will share updates as soon as new information is available through our joint investigation.

February 18, 2026 15:42 CET
February 18, 2026 14:42 UTC
INVESTIGATING

As a workaround you can manually deploy the Outlook Add-ins in your Microsoft 365 Tenant. Total Protection Outlook Add-in Workaround https://support.hornetsecurity.com/hc/en-us/articles/21797951259537-Manual-installation-of-the-Outlook-add-in AIRV Outlook Add-in Workaround https://cp.hornetsecurity.com/manual/en/ai_recipient_validation/t_deploy_ai_recipient_validation_add_in_manually.html We will provide further updates as soon as additional information becomes available.

February 17, 2026 12:42 CET
February 17, 2026 11:42 UTC
INVESTIGATING

We are currently investigating reports of missing Microsoft Outlook Add‑ins. We have opened a high priority support case to notify Microsoft of the issue. At this time, Microsoft is actively working to determine the root cause. The issue affects certain tenants where Add‑ins fail to install or previously installed Add‑ins unexpectedly disappear. Other tenants remain unaffected. We will provide further updates as soon as additional information becomes available.

AI Recipient Validation




Operational

365 Permission Manager




Operational

365 Total Backup




Operational

365 Total Protection




Degraded Performance

365 Multi-Tenant Manager




Operational

Advanced Threat Protection




Operational

API




Operational

Control Panel - General




Operational

Control Panel - Config / Deployment




Operational

Control Panel - Email Live Tracking




Operational

Control Panel - Backup & Compliance Services




Operational

Email Signature and Disclaimer




Operational

Email Inbound




Operational

Email Outbound




Operational

Email Continuity




Operational

Email Archiving




Operational

Email encryption: Websafe




Operational

Email encryption: S/MIME




Operational

Hornet.email




Operational

IMAP/POP3 Services




Operational

Mailbox Migration Tool




Operational

Security Awareness Service




Operational

Ticketsystem




Operational

Web Filter




Operational

Website




Operational

External Services

Zendesk

Locations