Setting the policy to Enabled and entering a nonstandard port (in other words, a port other than 80 or 443) includes it in the generated Kerberos SPN.
Setting the policy to Disabled or leaving it unset means the generated Kerberos SPN won't include a port.
| Registry Hive | HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER |
| Registry Path | Software\Policies\Google\Chrome |
| Value Name | EnableAuthNegotiatePort |
| Value Type | REG_DWORD |
| Enabled Value | 1 |
| Disabled Value | 0 |