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VMware vCenter | Error: 'authentication required'
VMware vCenter | Error: 'authentication required'
Updated over 11 months ago

Details

Error Message: '{"type":"com.vmware.vapi.std.errors.unauthenticated","value":{"messages":\[{"args":\[],"default_message":"This method requires authentication.","id":"vapi.method.authentication.required"}]}}'

Steps to Troubleshoot

  1. Download Postman (API client)
    ​Note: You may need to disable 'SSL certificate verification' in your Postman preferences.

  2. Import the collection below (File > Import > "Enter in raw text tab"):
    ​

    { "info": { "_postman_id": "8d3d91af-3793-4b70-a99f-d4829bdd9cb9", "name": "Liongard VMware vSphere Inspector Troubleshooting", "description": "This collection includes two requests that may be used to troubleshoot connectivity issues with the vSphere Automation REST API:\n\ncis session: create\nPOST https://{server}/rest/com/vmware/cis/session\n\ndescription: Creates a session with the API. This is the equivalent of login. This operation exchanges user credentials supplied in the security context for a session identifier that is to be used for authenticating subsequent calls. To authenticate subsequent calls clients are expected to include the session key.\n\nand\n\nappliance system version: get\nGET https://{server}/rest/appliance/system/version\n\ndescription: Returns the vSphere appliance version\n\nThe following environment variables must be set under the 'Variables' tab:\nhostname - The IP address of vSphere\nuser - The vCenter login username. This often is in the from: \"domain.local\\Administrator\"\npassword", "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json"" }, "item": [ { "name": "Login", "request": { "method": "POST", "header": [], "url": { "raw": "https://{{hostname}}/rest/com/vmware/cis/session", "protocol": "https", "host": [ "{{hostname}}" ], "path": [ "rest", "com", "vmware", "cis", "session" ] } }, "response": [] }, { "name": "Version", "request": { "method": "GET", "header": [], "url": { "raw": "https://{{hostname}}/rest/appliance/system/version", "protocol": "https", "host": [ "{{hostname}}" ], "path": [ "rest", "appliance", "system", "version" ] } }, "response": [] } ], "auth": { "type": "basic", "basic": [ { "key": "password", "value": "{{password}}", "type": "string" }, { "key": "username", "value": "{{user}}", "type": "string" } ] }, "event": [ { "listen": "prerequest", "script": { "id": "ad85a990-6378-4a57-984f-48329c09ad26", "type": "text/javascript", "exec": [ "" ] } }, { "listen": "test", "script": { "id": "7ebc4f2c-20f7-40d4-8e2d-f0e144417c3b", "type": "text/javascript", "exec": [ "" ] } } ], "variable": [ { "id": "92c51318-91cd-4bce-a0d5-ef7916f494a1", "key": "hostname", "value": "", "type": "string" }, { "id": "c9a3c47e-4622-4843-9dfa-d885f121a153", "key": "user", "value": "", "type": "string" }, { "id": "bd4b1545-7230-432d-94a0-ee5fb6fc6e39", "key": "password", "value": "", "type": "string" } ], "protocolProfileBehavior": {} }

  3. Under the Variables tab in the Collection settings, supply the hostname of the appliance and the username/password you are using for the inspection.

  4. Include the domain in the username (e.g. 'domain.local\Administrator').
    ​
    If both return 200s, the inspection should run successfully barring any other issues. If you continue to have issues, please capture a screenshot of your Postman and submit it in a Support Ticket.

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