Dear Customer,

We are writing to inform you that we will be performing maintenance work on the Starhub Enterprise Messaging Platform.

Reference: PCR-4175

Description: 2022 Release 2.0 Software version with patches and enhancements.

Maintenance start time: Wednesday 1/Jun/2022 - 03:00 SGT/PHT (UTC+8)

Maintenance end time: Wednesday 1/Jun/2022 - 07:00 SGT/PHT (UTC+8)

Impact: There will be a 5-minute downtime approximately 60 minutes into the maintenance window (ETA maintenance start +60 minutes). No messages can be sent into system during this time. Customers will receive 404 or 500 statuses. Additionally, some messages sent into the system just before the outage starts will not be processed

We will email you at the beginning and end of the maintenance period.

UPDATE: May 24, 2022, 13:30 GMT +8

The root cause was isolated to a Web node in one of the server stacks.

Support teams confirmed that the issue was resolved following a full restart of the impacted server stack at 11:30am GMT +8.

The service was monitored after the restart and SMS are being processed successfully.

This will be the final notification for this incident.