I successfully installed Express on Windows Vista Home Edition. When I tried to create a database using the account under which it was installed I received this message:
TITLE: Microsoft SQL Server Management Studio
Create failed for Database 'Test1'. (Microsoft.SqlServer.Smo)
ADDITIONAL INFORMATION:
An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo)
CREATE DATABASE permission denied in database 'master'. (Microsoft SQL Server, Error: 262)
Best Answer
It looks like that you need to add appropiate access to the account first, a quick googling give me this :
http://msdn.microsoft.com/en-us/library/bb326612.aspx