Cloud Browser Isolation service impacted in Middle East (UAE)

Zscaler has identified an issue with Cloud Browser Isolation (CBI) impacting customers in Middle East (UAE). Affected customers may experience difficulties when attempting to create new sessions.We will continue to provide updates here as the investigation progresses. For detailed updates, please check the Service Status section in your Zscaler customer support portal (CSP). Status changes and additional details will be posted there as they become available.Latest Update - Mon, 02 Mar 2026 15:06:16 UTCZscaler has proactively disabled the ME-CENTRAL-1 region following significant infrastructure impairments within AWS Availability Zones mec1-az2 and mec1-az3. While traffic is automatically rerouting to secondary regions, AWS reports that facility recovery including repairs to power and cooling systems will take at least 24 hours.Update - Sun, 01 Mar 2026 18:41:26 UTCInitial findings indicate that this issue is related to an AWS service issue within Availability Zone mec1-az2 in the ME-CENTRAL-1 region. Until their services are restored the customers can chose to change the regions selection in Admin Portal within each Isolation profile. Please refer the help guideUpdate - Sun, 01 Mar 2026 23:35:43 UTCZscaler is seeing positive signs of recovery for Cloud Browser Isolation (CBI) following AWS mitigation of underlying EC2 API issues. Success rates for session creation have significantly improved, and customers can now successfully initiate new CBI sessions. We continue to monitor the environment to ensure full stability.Update - Mon, 02 Mar 2026 04:53:33 UTCFollowing the actions taken by AWS to mitigate the issue, this incident is now resolved.Update - Mon, 02 Mar 2026 07:33:54 UTCThe issue is still ongoing and we are investigating the same. Further updates will be shared as available.Update - Mon, 02 Mar 2026 12:42:24 UTCAWS continues to report a service health issue in Availability Zone mec1-az2 within the ME-CENTRAL-1 region. Until services are restored, customers can change the region selection in the Admin Portal for each Isolation profile. Please refer to the help guide shared in the workaround field.Update - Mon, 02 Mar 2026 15:06:16 UTCZscaler has proactively disabled the ME-CENTRAL-1 region following significant infrastructure impairments within AWS Availability Zones mec1-az2 and mec1-az3. While traffic is automatically rerouting to secondary regions, AWS reports that facility recovery including repairs to power and cooling systems will take at least 24 hours.