Sql Server RAM Usage

I have edited the question and hope this is what you were trying to ask.

Now looking at your question you did not tell what is the problem. Please when you ask question try to add as much information as possible so that we have to guess little and we can provide you correct solution.

SQL Server can utilize all RAM if you dont set max server memory setting to appropriate value. Have you set it.

sp_configure 'max server memory (MB)', xxx--the value
go
reconfigure
go

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