Question : Exchange Server 2007 SP3 with Windows 2008 R2

I have windows 2008 r2 and we installed exhcnage 2008 R2.Now a days i am facing problem Mail Server automatically disconnecting from the network even i am not able to ping from my system then i have to reboot the mail server then its work fine after 2 hours or some time less then or some time more it is not responding means mail server stop network activity when i m looking network icon it is yellow everything is ok after restarting . please help urgent

Answer : Exchange Server 2007 SP3 with Windows 2008 R2

you seem to want a SUM() and not AVG() also..?

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SELECT  t.Account
      , AVG(t.Count) AS AvgCount
      , SUM(t.Count) AS SumCount
      ,(Datename(ww,getdate()) + '  ''' + Datename(yy,getdate())) as Period
 FROM tblHFBYACC t       
 WHERE Datename(Year,getdate()) >= (Datename(Year,getdate()) + (DatePart(ww, getdate()) - 1) - 52)
 GROUP BY  t.Account