What could be causing these errors firebird server. I noticed that errors occur when you start the second computer (client) ?

POS003 (Client) Wed Jul 20 10:27:53 2016

INET/inet_error: connect errno = 10061

POS003 (Client) Wed Jul 20 10:27:54 2016

INET/inet_error: connect errno = 10061

POS003 (Client) Wed Jul 20 10:27:56 2016

INET/inet_error: connect errno = 10061

POS003 (Client) Wed Jul 20 10:27:57 2016

INET/inet_error: connect errno = 10061

POS003 (Client) Wed Jul 20 10:28:00 2016

INET/inet_error: connect errno = 10061

POS003 (Client) Wed Jul 20 10:28:02 2016

INET/inet_error: connect errno = 10061

POS003 (Client) Wed Jul 20 10:28:03 2016

INET/inet_error: connect errno = 10061

POS003 (Client) Wed Jul 20 10:28:04 2016

INET/inet_error: connect errno = 10061

POS003 (Client) Wed Jul 20 10:28:06 2016

INET/inet_error: connect errno = 10061

POS003 (Client) Wed Jul 20 10:28:09 2016

Guardian starting: "C:\Program Files\Firebird\Firebird_2_1\bin\fbserver.exe"

Regards,

Maciej Lik