Enable External Access to Relational Migrator on Windows
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To allow incoming connections on the same port as Relational Migrator, enable external access with Windows Defender Firewall.
Steps
Open Windows Defender Firewall with Advanced Security.
Select Inbound Rules. Click New Rule.
Select Port. Click Next.
Select TCP, Specific Local Ports, and enter the port number. Click Next.
Select Allow the connection. Click Next.
Select the desired network profiles. Click Next.
Enter a name for the rule. Click Finish.