Xink incident

Outlook Add-in: Error contacting Xink: HTTP error: 503

Minor Resolved View vendor source →

Xink experienced a minor incident on December 4, 2025 affecting Outlook Add-in, lasting 4h 43m. The incident has been resolved; the full update timeline is below.

Started
Dec 04, 2025, 10:14 PM UTC
Resolved
Dec 05, 2025, 02:57 AM UTC
Duration
4h 43m
Detected by Pingoru
Dec 04, 2025, 10:14 PM UTC

Affected components

Outlook Add-in

Update timeline

  1. investigating Dec 04, 2025, 10:14 PM UTC

    Clients may encounter connection issue with the add-in, showing error 503. We are currently investigating this issue.

  2. monitoring Dec 04, 2025, 10:18 PM UTC

    Applied updates for the add-in caused initial connection issue with Classic Outlook. Restarting the Outlook application will fix and restore the connection. Please advise users to restart their Outlook application to clear the error.

  3. resolved Dec 05, 2025, 02:57 AM UTC

    Incident has been resolved

  4. postmortem Dec 05, 2025, 02:57 AM UTC

    ## Description The Outlook 365 Add-in for Classic Outlook encountered connection issue \(Error 503\) where email signatures failed to load. ## Root Cause The issue was caused by an important update for the Add-in which requires Classic Outlook to restart in order to complete. ## Impact * **User Experience**: Add-in is not connecting and signatures are not inserted when composing emails. * **Business Impact**: No critical data loss or security issues. ## Resolution Users must restart Outlook app to clear the error and complete the Add-in update.