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Updating Dell VxRail with Custom Certificates (Customer Correctable)

Summary: Step-by-step guidance to replace with customer certificates for Dell VxRail environments. vSphere provides security by using certificates to encrypt communications, authenticate services, and sign tokens. ...

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Article Content


Instructions

vSphere uses certificates to:

  • Encrypt communications between two nodes, such as vCenter Server and an ESXi host.
  • Authenticate vSphere services.
  • Perform internal actions such as signing tokens.

vSphere's internal certificate authority, VMware Certificate Authority (VMCA), provides all the certificates necessary for vCenter Server and ESXi. VMCA is installed on every Platform Services Controller, immediately securing the solution without any other modification. Keeping this default configuration provides the lowest operational overhead for certificate management. vSphere provides a mechanism to renew these certificates in the event they expire.

vSphere also provides a mechanism to replace certain certificates with your own certificates. However, it is advised to replace only the SSL certificate that provides encryption between nodes, to keep your certificate management overhead low.

Custom Certificate Integration

The vSphere environment is flexible to give the customers the opportunity to work with custom SSL certificates, as their company policies sometimes mandate that. The following steps walk you through changing certificates for various components in a VxRail environment.

  1. Replacing VxRail Manager's self-signed certificate
    • This procedure is accessible on the SolVe online portal. Go to 'How To' Procedures > 'How To' Change other VxRail Cluster settings > Choose your current VxRail Manager version > Replace the VxRail Manager SSL Certificate, then generate the procedure. If you do not have access to that portal, contact Dell support. For guidance on creating the Certificate Signing Request and modifying the received cert files, see KB article VxRail: How to apply for a new certificate for VxRail Manager.
  2. Replacing vCenter Server certificates using a Custom Certificate Authority (CA) Signed Certificate
  3. Manually reestablishing trust between VxRail Manager and vCenter Server after custom certificate integration
  4. Replacing ESXi host SSL certificates
  5. Replacing vRealize Log Insight certificates
Note: Generating Certificate Signing Requests (CSRs) using third-party tools or signing them using the internal company's CA is not supported by Dell support.

If you face any issues during certificate replacement, reach out to Dell support for assistance.

Additional Information

Article Properties


Affected Product

VxRail, VxRail Appliance Family

Last Published Date

27 Apr 2024

Version

10

Article Type

How To