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I can’t activate my digital signature.

Please note that this solution only applies to subscribers of a CertifiO Desktop digital signature (hosted on .epf file or token). If you are looking for a solution for a CertifiO Cloud digital signature (hosted on Notarius’ secure cloud), click on this page.

Two common reasons:

  1. Your corporate firewall blocks communications to our servers. Ask your technical support team to consult our Firewall configuration article to troubleshoot the issue.
  2. CertifiO Manager is not installed or not working. Consult the troubleshooting page.