ArcGIS Server services URL '<>' cannot be validated against '<>'

Last Published: November 22, 2022

Error Message

When validating an ArcGIS Server federated with a portal authenticated with Integrated Windows Authentication used on ArcGIS Web Adaptor, the following error message is returned:

ArcGIS Server services URL '<>' cannot be validated against '<>'


The authentication method for the web adaptor for the federated ArcGIS Server is set to the following:

  • Windows Authentication is enabled
  • Anonymous Authentication is disabled

Solution or Workaround

Change the authentication method settings for the web adaptor using Internet Information Services (IIS) Manager.

  1. On the machine, navigate to Start > Control Panel > Administrative Tools, and click Internet Information Services Manager to open IIS Manager.
  2. In the Connections window, navigate to Sites > Default Web Site > server, and click Authentication under IIS
  3. Right-click Anonymous Authentication, set as Enable.
  4. Right-click Windows Authentication, set as Disabled.

Image of the IIS Authentication window

  1. Validate ArcGIS Server using the ArcGIS REST API. Refer to ArcGIS REST API: Validate Server for more information.

Article ID:000019234

  • Portal for ArcGIS

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