Check ""inbound rule"" in the KB
If the error occurs when starting Sage MAS 200 on Windows 2008 Server:
Verify that the correct IP address or server name was entered during workstation setup.
Browse to the ..\Mas90\Launcher\ folder on the workstation.
Open the Sota.ini file.
Locate the [Servers] section. The IP address or server name is listed after the following text:
1=
The port number is listed after the IP address or server name: 1=MASServer;####; where #### is the port number - 10000 being the default.
If port and IP address have been verified in the above steps as being correct for the system, this message can occur if an 'Inbound Rule' has not been created for the Sage MAS 200 port on the Windows 2008 Server under Windows Firewall Advanced Security.
On the Windows 2008 Server, on the Administrative Tools menu, select Windows Firewall with Advanced Security console.
In the left pane of the console, select Inbound Rules.
Right-click, and select New Rule.
Select Specific Port.
Select 10000 or the actual port number for Sage MAS 200.
Select Allow Connection.
Click the Profile tab, and select Domain, Private, Public.
Name the new rule MAS200 or a name of your choice