Help !!!

When I connect to Server, then setup XL Reporter, setup XL Reporter at Client. When I connect XL Report at Client, it's notice:

Unable to connect to XL Reporter

Error! User Authentication failed!

Cause: Login failed for user 'sa'

Can't connect to database Provider=SQLOLEDB.1;Data Source='SAP';Initial Catalog='AMIGO_Tec';User ID='sa';Password=*****

Please !