Please check the following:
•Is the port and address correct?
•Open the Windows Control Panel -> Administrative Tools -> Services. In the list of services, locate VisualCron Service. Is the "VisualCron Service" started?
Open the log file server_startup.txt. If it contains:
ComService() exception (System.ArgumentException: It is likely that certificate 'CN=vc' may not have a private key that is capable of key exchange or the process may not have access rights for the private key.
Perform these steps:
1.Stop the VC server
2.Go to VisualCron installation folder
3.Start VisualCronService.exe manually right clicking on that and choose Run as->Administrator
4.Click on Delete Certificates button
5.Click on the Create Certificates button
6.Exit application
7.Start VisualCron service
8.Try to connect again