Zscaler Client Connector (ZCC) and Zscaler Client Connector Portal Authentication Issues - zscalertwo.net
View the provider incident record →Current answer
Zscaler experienced a major incident: Zscaler Client Connector (ZCC) and Zscaler Client Connector Portal Authentication Issues - zscalertwo.net. Resolved on Jul 20, 2026.
Historical incident verified from a fresh official provider retrieval on . The original provider timestamps are preserved.
Provider-reported start: . Notice published: .
Provider-reported impact end: . Later provider updates may confirm recovery after customer impact has ended.
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Incident Timeline
Resolved
Following the actions previously taken by Zscaler, the incident has been resolved. Our systems remain fully operational, and we will continue to monitor the situation closely to ensure ongoing stability.
Jul 20, 2026 at 7:06 PM UTC
Update
We are receiving positive feedback from multiple customers indicating service recovery. Our teams continue to closely monitor services and will provide further updates as more information becomes available.
Jul 20, 2026 at 4:54 PM UTC
Update
We have reverted the contributing configuration change and implemented additional adjustments to improve service capacity on ZS2. We are currently validating these changes and monitoring recovery for Zscaler Client Connector sign-in/registration and Mobile Admin Portal access. We will provide another update as validation completes or if service status changes.
Jul 20, 2026 at 4:35 PM UTC
Update
We are continuing to investigate an issue impacting Zscaler Client Connector sign-in/registration and access to the Mobile Admin Portal for a subset of users on ZS2. Initial mitigation actions did not fully restore service. We identified a contributing configuration change that reduced service capacity for the Mobile Admin Portal on ZS2, which led to intermittent access issues for some users. Our teams are reverting the change and actively applying additional remediation steps to recover affected services. We are monitoring recovery and will provide further updates as more information becomes available.
Jul 20, 2026 at 3:43 PM UTC
Update
We are investigating an issue impacting Zscaler Client Connector sign-in/registration and access to the Mobile Admin Portal for a subset of users on ZS2. Mitigation actions have been applied and we are now monitoring the service. We will provide another update as more information becomes available.
Jul 20, 2026 at 3:12 PM UTC
Update
We have identified the root cause of the issue and working on resolution.
Jul 20, 2026 at 2:53 PM UTC
Update
Zscaler has detected an Authentication issue with the Zscaler Client Connector Portal and Zscaler Client Connector (ZCC) on its zscalertwo.net Cloud. Some users may see a “Zscaler Client Connector was unable to enroll at this time” message when trying to sign in to Zscaler Client Connector (ZCC). Users who are already signed in should continue to access services normally.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.
Jul 20, 2026 at 2:38 PM UTC
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