After upgrading to Apex One Patch 2 Build 2146 and any higher version, users cannot register Apex One successfully to Apex Central using certificates. Apex One registration to Apex Central fails with error message:
"Unable to register to Apex Central. The specified Apex Central certificate file is not valid. Specify a valid Apex Central certificate file and try again."
To resolve this, download latest critical patch from Download Center higher than Critical Patch Build 2146. If not yet available, request for Hot Fix Build 2165 from Trend Micro Technical Support.
- Apply latest critical patch (higher than Critical Patch Build 2146) or Apex One Hot Fix 2165.
- Go to Apex One Web console > Administration > Settings > Apex Central.
- Fill the Server FQDN or IP address and register to Apex Central with the certificate.
- Apex One register to Apex Central successfully.