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VCF Upgrade Precheck Error “vSphere SHA-1 validation failed”

Shahrouz

Before upgrading VMware Cloud Foundation (VCF) to a newer release, you should first run an upgrade pre-check to ensure there are no issues that could arise during the upgrade. Recently, I helped one of our customers plan and execute the VCF upgrade from VCF 5.2.2 to 9.0.2, and we completed the Upgrade Precheck to ensure everything was in order! There are some expected errors, such as updating the vSAN HCL and the VCF LCM Manifest file, which are straightforward to resolve.

Besides the usual errors, we also faced “ERROR vSphere SHA-1 validation failed” and without addressing this issue, we shouldn’t continue the upgrade. This issue came up because the SHA-1 hashing algorithm was used to sign vCenter Server SSL certificates. VCF requires stronger algorithms, like SHA-256, for certificate signing.

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VCF 9.0 Bringup Error: Failed to retrieve compatibility matrix

Shahrouz

During the bring-up of VMware Cloud Foundation (VCF) 9.0 with the VCF installer, in the validation phase, you may encounter errors related to retrieving the compatibility matrix for VCF components. This issue occurs when using an online depot on the VCF installer to download the binaries required for VCF bring-up. First, ensure the VCF installer can download the vLCM compatibility data bundle from Broadcom’s VVS endpoint at vvs.broadcom.com. In our case, the VCF Installer can access the required URLs, but we still got the errors! Keep reading if you are in the same situation.

You can use a workaround on the VCF installer to solve this issue and continue the VCF bring-up.

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