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Best answer by AEK

Hi Moray

 

021

ZTNA Application Not Found

The page you requested has been blocked because no API gateway was matched.

The client endpoint is looking for a page or service that is not configured in the FortiGate's ZTNA settings.

 

Ref:  https://docs.fortinet.com/document/fortigate/7.6.0/ztna-reference-guide/25473/error-codes-and-replacement-messages

 

1 reply

AEK
SuperUser
AEKAnswer
SuperUser
October 29, 2025

Hi Moray

 

021

ZTNA Application Not Found

The page you requested has been blocked because no API gateway was matched.

The client endpoint is looking for a page or service that is not configured in the FortiGate's ZTNA settings.

 

Ref:  https://docs.fortinet.com/document/fortigate/7.6.0/ztna-reference-guide/25473/error-codes-and-replacement-messages

 

AEK
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