when i try this query to attach a database,
EXEC sp_attach_db @dbname = 'EnvNew',
@filename1 = 'D:\K-Plus\EngineeringDB\Database\EnvNew.mdf',
@filename2 = 'D:\K-Plus\EngineeringDB\Database\EnvNew.ldf'
ERROR :
Server: Msg 5172, Level 16, State 15, Line 1
The header for file 'D:\K-Plus\EngineeringDB\Database\EnvNew.mdf' is not a valid database file header. The PageAudit property is incorrect.
pls help me....