# Sinch: Planned Maintenance - Message manager 6.2.1B release, OS patches/updates

- Provider: [Sinch](https://outages.cc/sinch.md)
- Type: Maintenance
- State: scheduled
- Worst impact: Maintenance
- Started: 2026-11-14 18:00 UTC
- Components: Message Manager, Sinch DI Services - Message Manager
- Official update: https://stspg.io/gz0xdkbnzw29

## Updates from Sinch

### scheduled, 2026-11-01 17:18 UTC

Dear Client, A planned maintenance activity is scheduled for Message Manager. Customers are advised not to schedule any campaigns during this maintenance window. Maintenance Start Time: 2026-11-14 18:00 UTC Maintenance End Time: 2026-11-14 22:00 UTC Impact: The Message Manager UI will be unavailable during the application upgrade. If you experience any issues during this maintenance window, please contact the Operator Service NOC immediately at operatorservices.noc@sinch.com or +1 470-300-8394 (select "Support" from the menu, option 2 for Digital Interconnect, then option 1). Please reference this maintenance notification when contacting support. If you have any questions or concerns, please contact your Account Manager.