>>>>What do you mean by version 9.0? Is it before 2000?
>>>
>>>Hi Naomi. It is version 2005
>>>
>>>Version 10 is 2008 (R2)
>>>
>>>Alex
>>
>>I see, thanks. I am more used to the full names of SQL Server, so I didn't understand right away. BTW, R2 is version 10.5
>
>Thank you. Then I have version 2008, not 2008 R2.
>
>How should I go about allowing access to the SQL server 2008 installation?

Did you already see http://msdn.microsoft.com/en-us/library/ms165718(v=SQL.90).aspx

You need to do this on SQL Server 2008 if this is the server SQL Server 2005 can not see.