FAQs

This guide provides the step-by-step process for generating a Certificate Signing Request (CSR), which is the first step in obtaining an X.509 digital certificate. A CSR contains the public key and identity information required by a Certificate Authority (CA) to issue a certificate. This guide covers three methods: using ASDM, using ASA CLI, and using OpenSSL.

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This article will help you to renew a SCEP RA certificate

Overview Sectigo’s public roots are as widely trusted as any other in the industry. In fact, Sectigo’s root ubiquity is well in excess of 99.99% of systems in use today and is 100% for modern browsers, mobile devices, and operating systems.

This article will help you understand the root cause of the error we get while signing VBA Macro using a CodeSigning certificate and helps fixing the issue.

This article explains how to resolve the Microsoft Outlook error "Your Digital ID name cannot be found by the underlying security system," which stops encrypted email from opening. It covers the usual causes and three step-by-step fixes.

CAA records let you specify which certificate authorities may issue certificates for your domain. This article explains what a CAA record is and how to add one to authorize Sectigo, including how to resolve CAA check pre-sign failures for SSL/TLS and S/MIME certificates.

This article explains how to fix the Internet Information Services HTTPS binding error “A specified logon session does not exist”, which stops an HTTPS binding from being added or saved. It is written for administrators managing SSL/TLS certificates on Windows servers.

This article explains why a CSR may fail to decode — missing required fields or invalid characters — and how to correct it.

This article explains how to install an SSL certificate on a domain hosted on a Linux VPS using the DirectAdmin control panel.