How to check if SQL is set to limit memory usage?

We've recently upgraded a server from 12GB to 24GB as we had a problem with SQL server running slow, I want to check it will utilise the upgraded RAM, is there anything I need to check/change? e.g. memory limits

Thanks! :)
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Anthony PerkinsCommented:
>>We've recently upgraded a server from 12GB to 24GB as we had a problem with SQL server running slow,<<
As an aside, just because you increased the memory does not mean you will see any improvement.
The dmv's haven't given any clue?

For memeory-settings
but 'server running slow' is a little vague to point it to the memory

In this topic you can find lots about memory but also on witch Perfmon statistics can learn you something about the performance bottleneck (memory, cpu, IO)
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Microsoft SQL Server 2008

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