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Create a Windows Server firewall exclusion rule

If the Windows Server firewall is turned on, you must create a firewall inbound exclusion rule or turn off the firewall.
  1. Open
    Server Manager
    .
  2. Select
    Windows Firewall with Advanced Security
    under Configuration.
  3. Click
    Inbound Rules
    in the working area.
  4. Click
    New Rule
    .
  5. Select
    Port
    for the rule type.
  6. Enter the port number. The default port is 1433 unless you are using an instance. If you are using an instance, find the port using Configuration Manager.
  7. Select
    Allow Connection
    .
  8. Click
    Apply to all
    .
  9. Provide a name for the rule (for example, SQL Server Connection).
  10. Click
    Finish
    .