Manage OPC UA Authentication

you can configure authentication options for the opc ua server by navigating to opc > management opc ua server supports the following identity tokens for authentication anonymous the server does not have user information and cannot identify them certificate the server can identify users by security certificates generated by hash algorithms password the server can identify users by their password you can enable multiple identity types and choose authentication options for them important choosing security policies for identity tokens ensures that the server encrypts authentication messages selections in the authentication management section must match the selections in the policies section or the server will not start select security policies to select security policies navigate to opc > management from the management panel , refer to the authentication management section and click the enable toggle next to one or more identity tokens anonymous , certificate , and password for each enabled token section, select check boxes for authentication options after enabling or disabling a policy, you must restart the opc ua server see docid\ rlauubwsnfievhvtggubd to learn more