i have three servers . DC + MDT/WDS + SQL
i installed SQLExpress with SQL Management Studio 2012
when i tried to create my databse from MDT/WDS server i get an error : 40
provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server”on server
on SQL Manager TCP/IP and Named Pipes are enables.
ports TCP and UDP are opend
DNS resolution works fine
i can ping . but i don't know why i get this message .
thanks