SUMMARY STEPS TO REPRODUCE 1. Open Akonadi Console 2. Right click the EWS resource, click Synchronize all 3. Wait OBSERVED RESULT After it reaches 49%(Always the same) it says "Authentication failed" Also notification pops up that the resource is broken. This happens all the time. The account is unusable. I also dont see new messages in inbox. EXPECTED RESULT Sync finishes OK. SOFTWARE/OS VERSIONS Linux/KDE Plasma: 5.7.10.arch1-1, (available in About System) KDE Plasma Version: 5.19.4-1 KDE Frameworks Version: 5.72.0-1 Qt Version: 5.15.0-4 ADDITIONAL INFORMATION I have the account set up in poll style.