**Zscaler experienced an Audit Logs outage affecting the ZIA Admin Portal and Mobile Admin Portal across all clouds, beginning at 12:37 UTC on August 17, 2026, and lasting approximately 4.2 hours.** The issue, rooted in the Nanolog component, caused slow-loading pages followed by 504/500 errors for impacted users. Zscaler investigated and resolved the incident within the reported duration.
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