Tsplus Domain Validation Error 8505

If getting below error follow the troubleshooting steps mentioned after the screenshot

1. Go firewall advance
2. Enable inbound & outbound for port 443 and 80
3. Enable inbound & outbound for program : C:\Program Files (x86)\TSplus\Java\bin\HTML5service.exe

Use Names: Htlm5 Service In & Html Service Out

1. Enable Inbound & outbound for program: C:\Program Files (x86)\TSplus\UserDesktop\files\svcenterprise.exe

   Use Name : SVC In & SVC Out

1. Peform operation like you want to first time make get HTTPS from lets encrypt
2. Choose option called renew domain
3. Insert same old registration details with email and subdomain and proceed to register again
4. This will help to get instant SSL again