Provider has installed and configured the EZTax plugin as described in OA Billing Provider's Guide. When trying to test connection by pressing the [test connection] button at the System > Settings > Taxation > BillSoft EZTax screen the following message can be seen:
Connection failed. Error description: Operation failed with error code : 28; Connection timed out after 10000 milliseconds
Billing Application server cannot connect to the EZTax server https://eztaxasp.billsoft.com.
Make sure that:
- Firewall rules allow outgoing connections to eztaxasp.billsoft.com;
- Billing application node can successfully resolve hostname 'eztaxasp.billsoft.com';
- External IP address of billing application node is included in EZTax white list.