Link v_MeteredUser.FullName to a full name from AD v2

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select 

  R.Netbios_Name0 as 'Computernavn', 

--  U.displayName0 as 'Bruger', 

  Full_User_Name0,

  max(ou.User_OU_Name0),

  MU.FullName as 'Brugernavn', 

  MUS.LastUsage as 'Sidst brugt', 

  MUS.UsageCount + MUS.TSUsageCount  as 'Antal brug', 

  round(MUS.UsageTime/60.0,2) as 'Forbrug (min)' 

 from 

  dbo.v_R_System R

  join dbo.v_MonthlyUsageSummary MUS on R.ResourceID = MUS.ResourceID 

  join dbo.v_MeteredFiles MF on MUS.FileID = MF.MeteredFileID 

  join dbo.v_MeteredUser MU on MUS.MeteredUserID = MU.MeteredUserID 

  join dbo.v_R_User U on U.Unique_User_Name0=MU.FullName 

  join dbo.v_RA_User_UserOUName ou on ou.ResourceID = u.ResourceID

 where 

  MF.ProductName = @RuleName 

group by 

  R.Netbios_Name0, 

--  U.displayName0, 

  Full_User_Name0,

  MU.FullName, 

  MUS.LastUsage, 

  MUS.UsageCount + MUS.TSUsageCount , 

  round(MUS.UsageTime/60.0,2)

order by 

  R.Netbios_Name0