connection - Unable to connect to a SQL Server database remotely -

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i have sql server 2008 r2 developer edition set on windows server 2008 r2 edition , although able database locally via sql server management studio (using server name\mssqlserver), unable in there remotely (using ip\mssqlserver).

i have turned off firewall windows (no other firewall installed) , turned on 4 protocols sql server (shared memory, named pipes, tcp/ip , via) , has turned on every single service in sql server management studio no luck.

could please me?

many in advance!

enable tcp/ip, shared memory , named pipes prorams> sql 2012 > configuration tools > sql server configuration manager > expand sql server network configuration > protocols sql2012r2de


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