Certificate activation says Could not connect to host
Certificate activation fails with a generic Could not connect to host error and no clear cause.
Tier II · Emerging Problems that are still building up.
3 public reports · first reported 15 July 2025 · last reported 12 February 2026
What's going wrong
Site owners using the Carta Docente plugin to accept teacher vouchers report that uploading their certificate fails with a generic connection error.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 3 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.