Using master database instead.(severity 11) Как с этим быть?

Warning: mssql_connect() 'function.mssql-connect' message: Cannot open user default database. Using master database instead. (severity 11) in C:\Inetpub\wwwroot\index1.php Warning: mssql_select_db() 'function.mssql-select-db' message: Could not locate entry in sysdatabases for database 'db1'. No entry found with that name. Make sure that the name is entered correctly. (severity 16) inC:\Inetpub\wwwroot\index1.phpWarning: mssql_select_db() 'function.mssql-select-db' message: Unable to select database: [db1] in C:\Inetpub\wwwroot\index1.phpCouldn't open database db1