1 - I am using SSMS 16.5.3 version which is compatible with my SQL Server 2016. 2 - DCOM configuration - I granted access to a group for remote launch, activation, and access. 3 - I added the group into the local DCOM group of the Windows Server. 4 - I restarted the SQL services and the serverFor example, one connection per IP address (if the shared memory zone specified above is used): location /download/ { limit_conn addr 1 ; limit_rate 50k ; } To impose the limit only after the client downloads a certain amount of data, use the limit_rate_after directive.