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Connecting to Sql Server from network

Posted By:      Posted Date: September 07, 2010    Points: 0   Category :Sql Server
i have two computer connected together via their nics, in pc1 sql server 2008 installed with sqlexpress instance. i created i user in pc1 for connecting sql server from pc2. i have done tcp/ip and firewall settings. but when i attempt to connect from pc2 the following message were shown: cannot connect to tcp:pc1,49172. login failed. the login is from an untrusted domain and can not used with windows authentication. why? thanks in advance

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