Fortinet help for downloads, login, purchases & device issues
Explore practical guides for installing devices, fixing crashes, finding purchases, and solving common PC and mobile device problems.
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FortiGate Firewall & FortiOS
13 practical troubleshooting articles
Browse topic →GuidesFortiClient VPN & Endpoint
12 practical troubleshooting articles
Browse topic →GuidesIPsec VPN & Connectivity
8 practical troubleshooting articles
Browse topic →GuidesFortinet Accounts & Licensing
7 practical troubleshooting articles
Browse topic →GuidesFortiManager & FortiAnalyzer
7 practical troubleshooting articles
Browse topic →GuidesSecurity & General Troubleshooting
8 practical troubleshooting articles
Browse topic →Popular troubleshooting guides
FortiGate admin login page not loading
Check the management interface address, network reachability, and HTTPS management access allowed by your organization.
Read guide →FortiGate Firewall & FortiOSFortiGate administrator password recovery
Use approved device recovery procedures and verify ownership before attempting any recovery operation.
Read guide →FortiGate Firewall & FortiOSFortiGate firewall policy blocking traffic
Review source and destination interfaces, address objects, service definitions, policy order, and matching logs.
Read guide →FortiGate Firewall & FortiOSFortiGate internet access not working
Check WAN link status, default routes, DNS, and relevant firewall policies before changing configuration.
Read guide →FortiGate Firewall & FortiOSFortiGate DNS resolution problems
Compare DNS results from a trusted client and firewall and verify configured resolvers and routing.
Read guide →FortiGate Firewall & FortiOSFortiGate high CPU or memory usage
Review performance metrics, traffic patterns, and system logs to identify sustained resource pressure.
Read guide →FortiGate Firewall & FortiOSFortiGate firmware upgrade planning
Confirm hardware support, upgrade path, release notes, configuration backup, and maintenance window.
Read guide →FortiGate Firewall & FortiOSFortiGate firmware upgrade failed
Record the exact error and installed version, preserve backups, and follow version-specific recovery guidance.
Read guide →FortiGate Firewall & FortiOSFortiGate interface down or link flapping
Check cabling, negotiated speed, interface counters, and switch port logs.
Read guide →Need more help?
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