Microsoft 365 Alert – Service Degradation – Microsoft 365 Suite – Users in Europe connecting to Microsoft 365 services using the Zscaler service may experience performance issues – RESOLVED

Announcements Habiba Tabasum

20/06/2023 13:52:00 PM (GMT)

NHSmail Reference : INC36515798

Microsoft Reference : MO597738

Issue Status : RESOLVED

Issue Description : Users in Europe connecting to Microsoft 365 services using the Zscaler service may experience performance issues

More info : For further updates on the Zscaler investigation please see: https://trust.zscaler.com/zscaler.net/posts/15081

Final Update : 20/06/2023 18:42:00 PM – Microsoft confirmed through monitoring telemetry that the service has remained healthy and impact has not reoccurred.

Scope of impact : Any user in Europe attempting to access Microsoft 365 services through Zscaler may be impacted.

Root cause : Microsoft are continuing to collaborate with Zscaler to identify and validate the root cause.

Next steps : Microsoft are collaborating with Zscaler to determine the underlying root cause and prevent similar issues from occurring again.