Made a PB software, useful to connect to a remote SQL database
On most computer is normal, but not on the individual computer on the remote database
I wonder whether system reason, is it because there are now some GHOST in the system, the less used in the SQL file in
O great god
explain

CodePudding user response:

Is there a firewall ah, turn off the firewall, or open port 1433

CodePudding user response:

Systems are likely to have problems,

CodePudding user response:

So I have no GHOST system, can't afford to hurt ah,

CodePudding user response:

Ping, tracert check the network to illustrate this,
In many cases, the router Settings, DNS is less than, firewall and so on, also does not exclude the connectivity of the cause of an IP cannot be accessed,

CodePudding user response:

The

reference 4 floor response:

ping, tracert can check the network,
In many cases, the router Settings, DNS is less than, firewall and so on, also does not exclude the connectivity of the cause of an IP cannot be accessed,

PING host IP, is whether connection,
Or input \ \ host name in the address bar, see whether can find the host,

CodePudding user response:

Database connection is less than there are many reasons, there are errors? Don't give error how to judge what's the problem

CodePudding user response:

Look at the three files ntwdblib. DLL, DBNMPNTW. DLL, dbnetlib. DLL is there, I generally habitual this three files to copy to the program directory, the lack of this three files will sometimes even database, don't know whether you have this situation,

CodePudding user response:

Use Telnet or super terminal measure, to see whether or not the client connect to the server properly 1433 (or your own definition of SQL service port).