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SSL certificates are the foundation of website security. They encrypt data between your site and visitors, display the padlock icon in browsers, and signal to Google that your site is trustworthy. For UK businesses, HTTPS isn’t optional anymore. It affects search rankings, customer trust, and even payment processing. When AutoSSL breaks in cPanel, your site loses that green padlock, visitors see scary warnings, and your SEO takes a hit.<\/p>\n
Most AutoSSL issues in cPanel are fixable without contacting support. This guide walks through the most common error messages, what causes them, and the exact steps to resolve each one. Whether you’re seeing “DCV failed” errors, missing domains, or AutoSSL refusing to run, you’ll find the solution here.<\/p>\n
AutoSSL automates the process of securing your domains with SSL certificates. It checks your cPanel domains, requests certificates from providers like Sectigo or Let’s Encrypt, validates domain ownership, and installs the certificates automatically. This happens in the background without manual intervention.<\/p>\n
When AutoSSL works properly, certificates renew themselves every 90 days. When it breaks, you face real problems:<\/p>\n
UK businesses particularly need HTTPS for GDPR compliance. Processing customer data on unencrypted connections violates data protection requirements. AutoSSL handles this automatically, but only when configured correctly.<\/p>\n
Our plans start from \u00a34.99\/month<\/strong> with everything included: SSL, backups, email, and 24\/7 support.<\/p>\n View Hosting Plans \u2192<\/a>\n <\/div>\n <\/div>\n \n cPanel displays AutoSSL errors in several locations. Check SSL\/TLS Status<\/strong> in cPanel for domain-specific issues, or AutoSSL<\/strong> under Security for provider-level problems. Here are the errors you’ll encounter most often:<\/p>\n “The system failed DCV (Domain Control Validation)”<\/strong> means the AutoSSL provider couldn’t verify you control the domain. This happens when DNS records point elsewhere, validation files can’t be created, or firewall rules block validation requests.<\/p>\n “No valid contact email address available”<\/strong> prevents AutoSSL from requesting certificates. The system needs a working email for the domain (admin@, hostmaster@, or webmaster@) or your cPanel account email must be valid.<\/p>\n “An AutoSSL check is pending for this domain”<\/strong> indicates a stuck validation process. The system queued a check but hasn’t completed it, blocking new requests.<\/p>\n “The AutoSSL provider is not available”<\/strong> means cPanel can’t connect to Sectigo or Let’s Encrypt servers. Network issues, firewall rules, or provider outages cause this.<\/p>\n “Too many requests”<\/strong> or “Rate limit exceeded”<\/strong> hits when you’ve requested too many certificates in a short period. Let’s Encrypt limits certificates to 50 per week per registered domain.<\/p>\n Domain Control Validation failure is the most common AutoSSL issue. The provider needs proof you own the domain before issuing a certificate. Follow these steps to fix it:<\/p>\n If your domain’s A record points to a different server, DCV fails. Log into your DNS provider (not cPanel) and verify the A record matches your cPanel server IP address. Use For domains using external DNS (Cloudflare, etc.), ensure the A record points to your cPanel server IP, not a proxy or CDN address. Some AutoSSL providers can’t validate through proxies.<\/p>\n AutoSSL creates a validation file in Test by accessing Overly aggressive ModSecurity rules sometimes block AutoSSL validation requests. In cPanel, go to Security \u2192 ModSecurity<\/strong> and check the audit log during AutoSSL runs. Disable problematic rules temporarily while troubleshooting.<\/p>\n If your server has a firewall, it must allow outbound connections to the AutoSSL provider. Let’s Encrypt uses ports 80 and 443. Sectigo requires port 443 outbound. Check with your hosting provider if you’re on a VPS or dedicated server.<\/p>\n Sometimes AutoSSL skips domains entirely. You’ll see them listed in cPanel but they don’t appear in the AutoSSL queue. Several causes exist:<\/p>\n Parked domains and addon domains must be configured to use SSL. In cPanel:<\/p>\n Some AutoSSL providers limit how many subdomains can be included on a single certificate. If you have more than 100 subdomains, split them across multiple certificates or switch to a different provider. Let’s Encrypt allows up to 100 domain names per certificate, including the root domain and all subdomains.<\/p>\n If you manage a large number of subdomains (blog.yourdomain.com, shop.yourdomain.com, mail.yourdomain.com, etc.), consider grouping them logically. Create separate certificates for different services rather than cramming everything into one certificate. This approach also makes troubleshooting easier because you can isolate which domains are causing validation failures.<\/p>\n Domains with special characters, underscores, or invalid TLDs won’t get AutoSSL certificates. Rename them or request a manual certificate instead.<\/p>\n Check AutoSSL \u2192 Manage Users<\/strong> in WHM (if you have WHM access) or ask your host. Domains can be explicitly excluded from AutoSSL processing.<\/p>\n AutoSSL runs automatically every night, but you can force an immediate check:<\/p>\n The system queues your request and processes it within a few minutes. Refresh the page to see results.<\/p>\n If you have SSH access and WHM, trigger AutoSSL for a specific user:<\/p>\n Or for all users on the server:<\/p>\n Watch the output for errors. This method provides more detailed logging than the cPanel interface.<\/p>\n cPanel supports multiple AutoSSL providers. If one fails consistently, try another. The two main options are:<\/p>\n Sectigo is cPanel’s default AutoSSL provider. It issues certificates quickly and handles domain validation well, but requires a valid cPanel license. Some shared hosting providers disable Sectigo to reduce costs.<\/p>\n Let’s Encrypt is free, widely trusted, and works on all cPanel servers. It has stricter rate limits (50 certificates per domain per week) but better compatibility with Cloudflare and other CDNs.<\/p>\n If you have WHM access:<\/p>\n If you don’t have WHM access, contact your hosting provider and ask them to switch providers for your account.<\/p>\n AutoSSL isn’t always the best solution. Some situations require manual SSL certificate management:<\/p>\n AutoSSL doesn’t support wildcard certificates ( If your DNS is split across multiple providers, or you use external mail servers with custom MX records, AutoSSL validation can fail. Manual certificate requests using DNS validation (TXT records) work more reliably.<\/p>\n For commercial certificates from providers like DigiCert or GlobalSign, you’ll install them manually through SSL\/TLS \u2192 Manage SSL Sites<\/strong>. AutoSSL won’t interfere with manually installed certificates.<\/p>\n If you’ve hit Let’s Encrypt rate limits, requesting a single manual certificate for your main domain and www subdomain gets you covered while you wait for the limit to reset.<\/p>\n Once AutoSSL works, keep it working with these preventive measures:<\/p>\nCommon AutoSSL Error Messages<\/h2>\n
DCV Failed Errors<\/h3>\n
No Valid Contact Email<\/h3>\n
AutoSSL Check Pending<\/h3>\n
Provider Unavailable<\/h3>\n
Rate Limit Exceeded<\/h3>\n
Troubleshooting DCV Failed Errors<\/h2>\n
Check DNS Records<\/h3>\n
dig yourdomain.com<\/code> or an online DNS checker to confirm.<\/p>\nVerify HTTP Validation Access<\/h3>\n
\/.well-known\/pki-validation\/<\/code> on your site. If .htaccess rules block this directory, validation fails. Add this to your .htaccess file to allow access:<\/p>\n# Allow AutoSSL validation\n<IfModule mod_rewrite.c>\n RewriteEngine On\n RewriteCond %{REQUEST_URI} !^\/\\.well-known\/pki-validation\/\n # Your existing rewrite rules here\n<\/IfModule>\n<\/code><\/pre>\nhttp:\/\/yourdomain.com\/.well-known\/pki-validation\/<\/code> in a browser. You should get a 404, not a redirect or access denied error.<\/p>\nDisable ModSecurity Rules<\/h3>\n
Check Firewall Settings<\/h3>\n
Fixing Missing Domains in AutoSSL<\/h2>\n
Domain Not Configured for SSL<\/h3>\n
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Subdomain Limits<\/h3>\n
Invalid Domain Names<\/h3>\n
Excluded Domains<\/h3>\n
How to Manually Trigger AutoSSL<\/h2>\n
In cPanel<\/h3>\n
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Via SSH (for WHM Users)<\/h3>\n
\/usr\/local\/cpanel\/bin\/autossl_check --user=username\n<\/code><\/pre>\n\/usr\/local\/cpanel\/bin\/autossl_check --all\n<\/code><\/pre>\nSwitching AutoSSL Providers<\/h2>\n
Sectigo (formerly Comodo)<\/h3>\n
Let’s Encrypt<\/h3>\n
How to Switch Providers<\/h3>\n
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When to Use Manual Let’s Encrypt Instead<\/h2>\n
Wildcard Certificates<\/h3>\n
*.yourdomain.com<\/code>). If you have many subdomains, a manual wildcard certificate from Let’s Encrypt covers all of them. Use Certbot<\/a> or the SSL\/TLS \u2192 SSL Storage Manager<\/strong> in cPanel.<\/p>\nComplex DNS Setups<\/h3>\n
Third-Party SSL Certificates<\/h3>\n
Rate Limit Issues<\/h3>\n
Prevention Tips for Future Issues<\/h2>\n
Monitor SSL Expiry Dates<\/h3>\n