MSSQL 2005 and MSSQL2008

[Vishal patel]

We have installed MSSQL 2005 and MSSQL 2008 on the server. We have Plesk control Panal 8.3 installed and have integrated 2005 and 2008 in it, When I try to add the database with the admin account It is allowing to select Database server like 2005 or 2008, however If the If I am trying to do with the user the database server option is comming grey out. It is only showing the Database server which I have made as an default.

How can I resolve this issue Please let me know.