Open Internet Information Services (IIS) Manager. 5.Submit your CSR to a Certificate Authority to obtain an SSL certificate. req.conf) and fill out the details for your CSR. In the Windows start menu, type Internet Information Services (IIS) Manager and open it.. Each server software has a slightly different way for you to generate your certificate signing request (CSR). The following solution details steps to create a CSR with the SAN extension using a Microsoft web server and on UNIX or Linux systems. This is usually a fully-qualified domain name, like www.mydomain.com, or store.mydomain.com. 2 thoughts on “ Create a Subject Alternative Name (SAN) CSR with OpenSSL ” Amin Gholami says: 24/04/2019 at 4:48 pm #Generate the cert 1 year. Click Start, Control Panel, System and Security, Administrative Tools, and then select Internet Information Services (IIS) Manager. – Create an OpenSSL configuration file (e.g. Once this process completes, you should have two files; myserver.key and server.csr. Log into your DigiCert Management Console. Additional domains (Subject Alt Names) can be entered in the advanced options. 11.x (Paper Lantern Theme-Modern) Plesk. Using native PowerShell features this turned out to be a lot harder than expected. All I need is to add SAN (Subjet Alternate Name) into the CSR while generating it. Enter as many subject alternative names (SANs) and common names (CNs) as you want; Generate 2048 bit or 4096 bit keys; After generating your certificate signing request, you can submit it to one of many Root Certificate Authorities like GoDaddy.com or Comodo.com. IIS 10: How to Create Your CSR on Windows Server 2016 Using IIS 10 to Create Your CSR. >> >> >> ::. The server.csr contains the Certificate Signing Request. Using a SAN certificate Is more secure than using a wildcard certificate which Includes all possible hostnames In the domain. If you are just making a self-signed certificate, you may need to break out OpenSSL. The command requires 4 command line arguments, The name of the CSR file we created earlier, Name for the self-signed certificate, the name of the Certificate Authority Root Certificate the file name for X509 v3 certificate extensions file. NOTE: If you need to add subject alternative names to the request, you can do it in the “Alternative name” section. For demonstration purposes, we will be changing the SAN information. via IIS, CSR does not have to contain SAN names. PSM RDS Service Certificate By default, PSM RDS is using a self signed certificate. Using the literal template means the template name flags are used instead. The certificate request needs to include two subject alternative names which I can then send to our certificate authority to process. In this article, I’ll show you how to create a new Server Certificate with a Subject Alternative Names which means that the Certificate will have multiple names (DNS names). PowerShell Minimum required parameters New-SelfsignedCertificate ` -DnsName "mysite.com","www.mysite.com" ` -CertStoreLocation cert:\localmachine\my I had a requirement to script the request, issuing and importing of a certificate request including multiple domain SAN (Subject Alternate Name) entries. So when needed, you can add SANS to your certificate. Here’s how. So now we've got a shiny new CSR. I know that I can use DigiCert Certificate Utility for this but it is not an option to install. Resolution. After your UCC certificate is issued, you can add or remove Subject Alternative SANs at any time.. Can someone help me out :) so generate CSR as per normal. if you don't want a SAN certificate, also called a Unified Communications certificate by various vendors, then simply comment out that line in the process below. Adding SANs to your multi-domain SSL/TLS certificate may incur additional costs. Submit the CSR to the CA, now with malicious intent. 6.Once you have obtained a certificate from a CA, save it to a file named myserver.crt. Lisenet says: 24/04/2019 at 7:08 pm That’s fine if you want a self-signed certificate. IIS 5 & 6; IIS 7; IIS 8; cPanel. I don't know of any way to add Subject Alternative Names on Windows. Generate CSR specifying additional domains (SANs) You can create such CSR using Namecheap CSR generator. But, of course, we have to sign it. This allows a single INF file to be used in multiple contexts to generate requests with … Change the certificate template name to whatever template you want to use. 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