Hi @sakuraime ,
In addition, this configuration option is an obscure SQL Server to SQL Server communication feature that is deprecated, and you probably shouldn't be using it. Please refer to this doc for more details.
If you don’t want the remote clients to connect to the SQL Server instance, you can block remote ip address in inbound rules -> rules properties->Scope tab. Please refer to this thread for more details.
Best Regards,
Amelia
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