8Troubleshooting1. Mitel phone does not appear in the Phones list in the UC client.Verify the following:DHCP server option 66 is present, enabled, and contains the IP address of the UC servermachine.NetVanta TFTP service is running.Select Start > Control Panel > Administrative Tools > Services.Scroll down to NetVanta TFTP Server.Ensure service is set to Automatic and is running.Ensure Windows Firewall is not blocking the TFTP port.Disable Windows Firewall.OrCreate an exception for the NetVanta TFTP Service program:For example, C:\Program Files\ADTRAN\NetVanta UCServer\Bin\TFTPService.exe.Ensure the Mitel phone family is enabled.Run the Server Configuration Wizard and ensure that the Mitel phone familycheck box is selected.If it is not selected, follow the procedure outlined in Enabling Support for MitelSIP Phones on page 3.Ensure Mitel firmware and configuration files are present in the TFTP Server.Navigate to .\Program Files\ADTRAN\NetVanta UC Server\Data\TFTP.Ensure (at a minimum) that the following files are present: mitel_generic.cfg mitel.cfgIf they are not present, follow the procedure outlined in Enabling Mitel SIPPhone Provisioning on page 2.