Maple 2026
If when you run the network version of Maple 2026, you see the following error message:
Invalid or missing license file.
Cannot read data from license server system.
You may need to add rules for ports to your Windows Defender firewall:
27000 and 10626 are the ports for which rules need to be created.
Ports can be opened on the Windows firewall by doing the following:
1. Search "Windows Defender Firewall with Advanced Security" from windows search
2. Click on Inbound Rules, then right click on Inbound Rules and select New Rule
3. Add the port to open and click Next.
4. Enter the protocol as TCP and the port number (first 27000 and a second rule for 10626) then click Next.
5. Select Allow the connection and hit Next again.
6. Choose the network type, hit Next and then Name the rule and hit Finish.
7. Click on Outbound rules, then right click on Outbound Rules and select New Rule and repeat steps 3-6.