Infosys has released the steps to troubleshoot the error When Using Digital Signature Certificate (DSC).
When you try to register a Digital Signature Certificate (DSC) or upload a form with a signature on it, you may face errors such as, “Your Certifying Authority (CA) is not trusted. Please use a trusted CA”. “User Id against this Digital Certificate already exists.” “Your certificate has been revoked.”
There are three steps that you need to follow to troubleshoot the error.
To use a trusted Certifying Authority (CA), Open the Internet Explorer. In Internet Explorer, select the Tools > Internet Options command. The Options dialogue box is displayed. Click the Content tab. Under the Certificates section, click the Certificates button. The Certificates dialogue box is displayed. The dialogue box displays a list of certificates that are installed on the computer. Select the correct certificate and click the View button to open the certificate.
Under the Certificate Information section, check the Issued by and Valid from and to details. The DSC must be issued by a trusted CA and the dates must be as per DSC validation.
If the current DSC is not issued by a trusted CA, then get a new DSC from CA.
If the certificate was issued by a trusted CA and still you receive an error for not using a trusted CA, then Click the Certification Path tab in the Certificates dialogue box. Check the details in the Certificate path and Certificate status section. In case the trust chain is missing under the Certification Path section, check with CA for the trust chain.
If the parent and child CAs match and still you face the same error of not using a trusted CA, check, whether the sub CA or parent CA has changed its root certificate or not. If the Root certificate has changed for the CA then that root certificate has to be installed in the MCA server.
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