Thanks Gail will check the book out.

Luis Thanks for the response, please see below for output of query, but note we did not set it , the server set it & we let it be.

configuration_idnamevalueminimummaximumvalue_in_usedescriptionis_dynamicis_advanced

1544max server memory (MB)21474836471621474836472147483647Maximum size of server memory (MB)11

With regards to " you might need a qualified professional" do you mean an SQL professional ?