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DATEV Outage History

Every past DATEV outage tracked by IsDown, with detection times, duration, and resolution details.

There were 35 DATEV outages since May 2026. The 35 outages from the last 12 months are summarized below, with incident details, duration, and resolution information.

Minor May 5, 2026

May 2026: Issues with Digitales Belegbuchen

Detected May 5, 2026 3:30 AM EDT · Resolved May 5, 2026 8:14 AM EDT · Duration about 5 hours

DATEV experienced issues with their Digitales Belegbuchen (Digital Receipt Booking) service that lasted 4.7 hours. The incident was classified as minor, indicating limited impact on users' ability to process digital receipts. The service has since been restored to normal operation.

Minor May 5, 2026

May 2026: Issues with DATEV Unternehmen online: Belegzugang über Upload online

Detected May 5, 2026 3:30 AM EDT · Resolved May 5, 2026 8:18 AM EDT · Duration about 5 hours

DATEV Unternehmen online experienced issues with the document upload functionality (Belegzugang über Upload online) for 4.8 hours. This was classified as a minor service disruption affecting users' ability to upload documents through the online platform. The issue has been resolved and the upload service is now functioning normally.

Minor May 5, 2026

May 2026: Issues with DATEV Wissensplattform

Detected May 5, 2026 3:30 AM EDT · Resolved May 5, 2026 8:18 AM EDT · Duration about 5 hours

DATEV Wissensplattform experienced issues that lasted 4.8 hours. The incident was classified as minor, indicating limited impact on users. The service has since been resolved.

Minor May 5, 2026

May 2026: Issues with DATEV Onboarding

Detected May 5, 2026 3:30 AM EDT · Resolved May 5, 2026 8:18 AM EDT · Duration about 5 hours

DATEV experienced onboarding issues that prevented new users from completing their account setup process. The incident was classified as minor and lasted approximately 4.8 hours before being resolved. Normal onboarding functionality has been restored.

Minor May 5, 2026

May 2026: Issues with MyDATEV Kanzlei

Detected May 5, 2026 3:30 AM EDT · Resolved May 5, 2026 8:14 AM EDT · Duration about 5 hours

DATEV experienced issues with their MyDATEV Kanzlei service that lasted 4.8 hours. The incident was classified as minor, indicating limited impact on service functionality. The issues have been resolved and the service is now operating normally.

Minor May 5, 2026

May 2026: Issues with DATEV Hilfe-Center

Detected May 5, 2026 3:30 AM EDT · Resolved May 5, 2026 8:18 AM EDT · Duration about 5 hours

DATEV experienced issues with their Hilfe-Center (Help Center) service that lasted 4.8 hours. The incident was classified as minor, indicating limited impact on users' ability to access help documentation or support resources. The service has since been restored to normal operation.

Minor May 5, 2026

May 2026: Issues with DATEV Interessentenverwaltung

Detected May 5, 2026 3:30 AM EDT · Resolved May 5, 2026 8:18 AM EDT · Duration about 5 hours

DATEV Interessentenverwaltung (prospect management system) experienced issues that affected users for 4.8 hours. The incident was classified as minor in severity. The service has since been restored to normal operation.

Minor May 5, 2026

May 2026: Issues with E-Rechnung Service

Detected May 5, 2026 3:30 AM EDT · Resolved May 5, 2026 4:58 AM EDT · Duration about 1 hour

DATEV's E-Rechnung (electronic invoicing) service experienced issues for 1.5 hours, classified as a minor incident. The service disruption affected users' ability to process electronic invoices during this period. The incident has been resolved after the 1.5-hour duration.

Minor May 5, 2026

May 2026: Issues with DATEV Kanzleimanagement (Pre-Pilotierung)

Detected May 5, 2026 3:30 AM EDT · Resolved May 5, 2026 8:14 AM EDT · Duration about 5 hours

DATEV Kanzleimanagement experienced issues during its pre-pilot phase, resulting in a minor service disruption that lasted 4.8 hours. The incident affected users participating in the pre-pilot testing of the practice management system. The service has since been restored to normal operation.

Minor May 5, 2026

May 2026: Issues with DATEV Kanzleimanagement Angebotsassistent

Detected May 5, 2026 3:30 AM EDT · Resolved May 5, 2026 8:18 AM EDT · Duration about 5 hours

DATEV experienced issues with their Kanzleimanagement Angebotsassistent (proposal assistant) feature that lasted 4.8 hours. The incident was classified as minor, indicating limited impact on users' ability to access or use the proposal management functionality. The service has since been restored to normal operation.