Protocol Violates The IP Allowlist/Blocklist Restrictions

Published: 01 Oct 2021
Last Modified Date: 02 Oct 2021


Protocol violates the IP allowlist/blocklist restrictions unable to connect to <database> server "10.x.x.x".


  • Tableau Online
  • Tableau Desktop 


Check that the server is running and that you have access privileges to the requested database.

Option 1

  1. Use an external IP address or database server name instead of an internal IP address.
  2. Add the Tableau Online IP addresses for your pod to the data provider's allowlist. For more information, see Authorize Access to Cloud Data Published to Tableau Online.

Option 2 

  1. Continue to use an internal IP address.
  2. Use Tableau Bridge to connect to the data source. For more information, see Use Tableau Bridge


The Tableau application could not access the database using the supplied database server name.

Additional Information

If your IP is in the below range, it is likely a private NAT IP. These ranges of IP addresses are excluded from being available to Internet Service Providers, or ISPs.
Private IP Address Reservation to - Class A to - Class B to - Class C

For more information, see Internet (Public/External) IP vs NAT (Local/Internal) IP
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