Hello, Please can you help me? I have a big problem with SQL server 2012 installed on the windows server 2012 : I have three Databases on a named instance 192.168.1.1\BIOUGNACH2012SP1 and some time the end users try to connect to one of the three databases (for example to the first company: Biougnach équipement) but the connection failed, for the two other databases it's work correctly.
So I change just the IP address of the machine(end user) to a new one and when I try again the connection work correctly. for more information : - when the machine is blocked I ping on the server address and the ping work correctly. - I have disable firewall on the windows server 2012. - The application connected to 3 databases (3 company) in the same server and named instance. - I use the same connection string in the application, I change just the database Name, I use the same user/password for the three databases. Please Help me & Many thanks in advance.