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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 Steuern E-Steuerdaten (VaSt) abfragen

Detected May 5, 2026 4:00 AM EDT · Resolved May 5, 2026 8:26 AM EDT · Duration about 4 hours

DATEV experienced issues with the Steuern E-Steuerdaten (VaSt) query function, classified as a minor service disruption. The incident affected users' ability to retrieve electronic tax data through the VaSt system. The service was restored after 4.4 hours of downtime.

Minor May 5, 2026

May 2026: Issues with DATEV Unternehmen online: Bank (Kontoumsätze)

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

DATEV Unternehmen online experienced issues with its Bank (Kontoumsätze) functionality, preventing users from accessing or processing bank account transactions. The service disruption was classified as minor and lasted approximately 4.7 hours before being resolved.

Minor May 5, 2026

May 2026: Issues with DATEV Payment: Kontoumsätze

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

DATEV Payment experienced issues with the Kontoumsätze (account transactions) feature for 4.7 hours. The service disruption was classified as minor, affecting users' ability to access or process account transaction data. The incident has been resolved.

Minor May 5, 2026

May 2026: Issues with DATEV Unternehmen online: Kassenbuch

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

DATEV Unternehmen online experienced issues with its Kassenbuch (cash book) functionality for 4.7 hours. The incident was classified as minor, indicating limited impact on users' ability to access or use the cash book features. The service has since been restored to normal operation.

Minor May 5, 2026

May 2026: Issues with DATEV LEXchat

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

DATEV LEXchat experienced issues that resulted in a minor service disruption lasting 4.8 hours. The incident affected users' ability to access or use the LEXchat functionality within the DATEV platform. The service has been restored to normal operation.

Minor May 5, 2026

May 2026: Issues with MeinFiskal

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 MeinFiskal service that lasted 4.7 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 Kanzleimanagement basis

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

DATEV Kanzleimanagement basis experienced service issues that lasted 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 Kommunikation Finanzverwaltung: Digitale Bescheide abrufen

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

DATEV's Kommunikation Finanzverwaltung service experienced issues with retrieving digital tax notices and documents, causing access restrictions for users. The service disruption lasted approximately 4.8 hours before being resolved.

Minor May 5, 2026

May 2026: Issues with DATEV Unternehmen 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 service issues that lasted 4.8 hours. The incident was classified as minor, indicating limited impact on users. The service has since been restored to normal operation.

Minor May 5, 2026

May 2026: Issues with DATEV Unternehmen online: Bank

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

DATEV Unternehmen online's Bank module experienced issues for 4.7 hours. The incident was classified as minor, indicating limited functionality disruption rather than a complete service outage. The service has since been restored to normal operation.