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            <h1>Create and Apply SSL Certificates to VMware vSphere (ESXi) Host</h1>
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          <h2>Prerequisites</h2>

<ul>
	<li class="noCheckbox">A XCA PKI database <a href="https://youtu.be/ezzj3x207lQ" target="_blank">https://youtu.be/ezzj3x207lQ</a></li>
</ul>

<h2>Create Your SSL Certificate</h2>

<ol>
	<li>Launch XCA</li>
	<li>Open the PKI database if it is not already (File &gt; Open DataBase), enter password</li>
	<li>Click on the Certificates tab, right click on your Intermediate CA certificate</li>
	<li>Select New</li>
	<li>On the Source tab, make sure Use this Certificate for signing is selected</li>
	<li>Verify your Intermediate CA certificate is selected from the drop down</li>
	<li>Click the Subject tab</li>
	<li>Complete the Distinguished Name section
	<p>internalName: esxi.i12bretro.local<br />
	countryName: US<br />
	stateOrProvinceName: Virginia<br />
	localityName: Northern<br />
	organizationName: i12bretro<br />
	organizationUnitName: i12bretro Certificate Authority<br />
	commonName: esxi.i12bretro.local</p>
	</li>
	<li>Click the Generate a New Key button</li>
	<li>Enter a name and set the key size to at least 2048</li>
	<li>Click Create</li>
	<li>Click on the Extensions tab</li>
	<li>Select End Entity from the type list</li>
	<li>Click Edit next to Subject Alternative Name</li>
	<li>Add any DNS or IP addresses that the certificate will identify</li>
	<li>Update the validity dates to fit your needs</li>
	<li>Click the Key Usage tab</li>
	<li>Under Key Usage select Digital Signature, Key Encipherment</li>
	<li>Under Extended Key Usage select Web Server and Web Client Authentication</li>
	<li>Click the Netscape tab</li>
	<li>Select SSL Server</li>
	<li>Click OK to create the certificate</li>
</ol>

<h2>Exporting Required Files</h2>

<ol>
	<li>In XCA, click on the Certificates tab</li>
	<li>Right click the SSL certificate &gt; Export &gt; File</li>
	<li>Set the file name to rui.crt verify the export format is PEM (*.crt)</li>
	<li>Click OK</li>
	<li>Click the Private Keys tab</li>
	<li>Right click the private key generated for the SSL certificate &gt; Export &gt; File</li>
	<li>Set the file name to rui.key and verify the export format is PEM private (*.pem)</li>
	<li>Click OK</li>
</ol>

<h2>Applying SSL Certificates in VMware vSphere</h2>

<ol>
	<li>Open a web browser and navigate to the VMware vSphere web UI</li>
	<li>Authenticate at the VMware ESXi login</li>
	<li>Select Actions &gt; Services &gt; Enable Secure Shell (SSH)</li>
	<li>Download WinSCP <a href="https://winscp.net/eng/downloads.php" target="_blank">Download</a></li>
	<li>Extract WinSCP and run the executable</li>
	<li>Connect to the VMware vSphere server IP via WinSCP</li>
	<li>Login with the root user account</li>
	<li>Navigate to /etc/vmware/ssl</li>
	<li>Rename rui.crt to rui.crt.orig</li>
	<li>Rename rui.key to rui.key.orig</li>
	<li>Copy the exported rui.crt and rui.key to the VMware vSphere host /etc/vmware/ssl</li>
	<li>Back in the web UI select Action &gt; Services Disable Secure Shell (SSH)</li>
	<li>Click Actions &gt; Reboot and Reboot again to confirm</li>
	<li>When the ESXi host comes back up the new SSL certificates will be used</li>
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