Please change the report into the sql below.
This will allow for "%" wildcard in the computer field.
Let me know if this is what you want.
SELECT TOP 1000000 dbo.tblComputers.ComputerUnique, dbo.tblUsersInGroup.Computername, dbo.tblComputers.Domain,
dbo.tblOperatingsystem.Description, dbo.tblUsersInGroup.Domainname, dbo.tblUsersInGroup.Username, dbo.tblUsersInGroup.Lastchanged,
dbo.Web40OSName.Compimage AS icon
FROM dbo.tblUsersInGroup INNER JOIN
dbo.tblComputers ON dbo.tblUsersInGroup.Computername = dbo.tblComputers.Computername INNER JOIN
dbo.tblOperatingsystem ON dbo.tblComputers.Computername = dbo.tblOperatingsystem.Computername INNER JOIN
dbo.web40ActiveComputers ON dbo.tblComputers.Computername = dbo.web40ActiveComputers.Computername INNER JOIN
dbo.Web40OSName ON dbo.Web40OSName.Computername = dbo.tblComputers.Computername LEFT OUTER JOIN
(SELECT DISTINCT *
FROM (SELECT dbo.tblComputers.Computer AS Domain, dbo.tblUsers.Name AS Username
FROM dbo.tblComputers INNER JOIN
dbo.tblUsers ON dbo.tblComputers.Computername = dbo.tblUsers.Computername
WHERE dbo.tblUsers.BuildInAdmin = 1
UNION
SELECT tsysadmins.Domain, tsysadmins.AdminName AS username
FROM tsysadmins) DERIVEDTBL) localadmins ON dbo.tblUsersInGroup.Domainname LIKE localadmins.Domain AND
dbo.tblUsersInGroup.Username = localadmins.Username
WHERE (localadmins.Domain IS NULL) AND (localadmins.Username IS NULL) AND (dbo.tblUsersInGroup.Admingroup = 1)
ORDER BY dbo.tblComputers.Computer