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PASSEDvendor / paloalto_globalprotect_vpn_failure
Palo Alto GlobalProtect VPN Gateway Failure
The Palo Alto PA-5250 GlobalProtect gateway stops accepting new VPN connections after a configuration push corrupts the portal agent configuration. 400 remote workers cannot connect.
Pattern
CLIENT_ERROR
Severity
CRITICAL
Confidence
85%
Remediation
Remote Hands
Test Results
| Metric | Expected | Actual | Result |
|---|---|---|---|
| Pattern Recognition | CLIENT_ERROR | CLIENT_ERROR | |
| Severity Assessment | CRITICAL | CRITICAL | |
| Incident Correlation | Yes | 20 linked | |
| Cascade Escalation | Yes | Yes | |
| Remediation | — | Remote Hands — Corax contacts on-site support via call, email, or API |
Scenario Conditions
PA-5250 firewall running PAN-OS 11.1. GlobalProtect portal and gateway on the same device. Configuration push at 2AM corrupted the agent config. 400 remote users affected. No redundant gateway.
Injected Error Messages (3)
palo alto globalprotect gateway not responding — PA-5250 portal returning configuration errors to connecting clients, globalprotect agent config corrupted after panorama push, all new sessions rejected with 'portal configuration unavailable', 400 remote users unable to establish globalprotect connections
palo alto PA-5250 globalprotect authentication failures spiking — portal agent config XML malformed after last panorama commit, HIP check failures for all connecting clients, globalprotect pre-logon inactive, remote user connectivity completely down
palo alto panorama reporting globalprotect gateway alarm on PA-5250 — gateway status: error, last config push at 02:00 introduced XML syntax error in agent configuration, panorama unable to push corrective config due to commit lock, palo alto device group out of sync
Neural Engine Root Cause Analysis
The PA-5250 GlobalProtect Gateway failure appears to be caused by a corrupted configuration push from Panorama management server. The portal is returning configuration errors to connecting clients, indicating the gateway's configuration state is invalid after the recent Panorama push. This has resulted in all new GlobalProtect sessions being rejected with 'portal configuration unavailable' errors, affecting 400 remote users.
Remediation Plan
1. Access PA-5250 management interface to verify current configuration state and identify corrupted elements. 2. Review recent Panorama push logs to determine what configuration changes caused the corruption. 3. Either rollback to the last known good configuration or re-push a corrected configuration from Panorama. 4. Restart GlobalProtect services on the PA-5250 if needed. 5. Test connectivity with a subset of users before full restoration. 6. Monitor for any residual configuration issues.
Tested: 2026-03-30Monitors: 3 | Incidents: 3Test ID: cmnck3ryo06hyobqeepbra1mw