Error: "Extended Key Usage information is absent or it indicates that the certificate does not support server authentication" when replacing SSL certificates
Article ID: 254926
Updated On: 03-11-2025
Products
Client Management Suite
IT Management Suite
Issue/Introduction
When importing a new certificate using the replace button in Certificate Manager (Settings > All Settings > Notification Server > Certificate Management), an error occurred:
"Extended Key Usage information is absent or it indicates that the certificate does not support server authentication. Extended Key Usage information is not available in the certificate"
Environment
ITMS 8.6
Cause
The certificate creator did not include the option for Extended Key Usage.
Resolution
Re-generate the certificate and include the option for Extended Key Usage.
Additional Information
161456 Error: "Extended Key Usage information is present and it indicates that the certificate does not support client authentication" when installing SSL certificates
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