You must contact your regional Hikvision support center. They will require a signed authorization letter and a copy of the purchase invoice.
<ResetRequest> <Device> <SerialNumber>SN987654321</SerialNumber> </Device> <Request type="reset"> <Timestamp>2026-03-23T13:00:00Z</Timestamp> <Nonce>ANOTHERNONCE</Nonce> </Request> <KeySpec> <Algorithm>HMAC-SHA256</Algorithm> <KeyID>reset-key-01</KeyID> <ValidForDays>7</ValidForDays> </KeySpec> <Signature Method="hmac-sha256">BASE64_HMAC</Signature> </ResetRequest> hikvision xml key generator
This method is typically used when: