Category: vSphere (General)

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How to fix Expired Password issues for vCenters & PSCs (Also for vCF environments)

So a frequently upcomming issue at customers, is the password expiration of the root password. This is set by default for 90 days, and after 90 days, well people figure out that they cannot login. To solve this, simply make a SSH connection towards the vCenter or PSC. To access shell with root type: shell …read more →

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Password Expired for vCenters & PSCs (Solution also for vCF)

So a frequently upcomming issue at customers, is the password expiration of the root password. This is set by default for 90 days, and after 90 days, well people figure out that they cannot login. To solve this. Simply make a SSH connection towards the vCenter or PSC. Type in shell to access shell with …read more →

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Check if the Replication is working between PSCs

For a customer I was replacing the SSO/STS certificates, after the change wanted to make sure if the PSCs were still replicating the information between each other. To simply check this Type the command: ./vdcrepadmin -f showpartnerstatus -h localhost -u administrator You can see who the partner is of the PSC, and how much changes …read more →

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Check & Renew the expiration of the Machine Certificate of the PSCs & vCenter (vCenter 6.5/6.7)

Intro At a customer we got the notification in the vCenter that the certificate was almost expiring. This was about the SSO/STS certificate. Later we found out that also the machine certificates were expiring on each PSC and vCenter that were deployed 2 years earlier. This post will focus on the renewal of the Machine …read more →

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Renewing the default STS (SSO) Certificate of vCenter/PSC in a vCF Environment

At a customer we got the notification in the vCenter that the certificate was almost expiring. However, the vCenter with version 6.7 was part of a vCF Deployment. Almost all the certificates are being managed by vCF, so when we checked the status, it didn’t seem that anything was expiring soon. However, the SSO STS …read more →

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Warning: SSL Certificate almost Expired

SSL Certificate almost Expired At a customer we got the notification in the vCenter that the certificate was almost expiring. When I checked the HTML client, I couldn’t find the SSL certificate that the warning was talking about. Looking deeper, I noticed that the SSO STS Certificate, which are standard issued by VMware and being …read more →

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Error when trying to access VMware PSC with WinSCP (6.7)

For a customer, I needed to upload a script towards the PSC, and my favourite tool for that is WinSCP. However, when trying to access, I got the following Error. The reason for this is that the default shell within the PSC, doesn’t allow access from the WinSCP. So we need to change default shell …read more →

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Deployment of a OVF / OVA is stuck with Validating…

Issue At one customer I was deploying vRNI. For some reason, every time when I selected the ova file that I downloaded from VMware, it stayed stuck in the “Validating…” screen. This could take a long time and would eventually end up failing. Workaround In my case the problem seemed to be that I wasn’t …read more →

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Troubleshooting: Cannot Add host “Authenticity of the host’s SSL certificate is not verified”.

Intro One of my customers wanted to change the hostname of the ESXi host. In this case, the ESXi hostname stayed the same, but it needed to become part of  a subdomain. Changing an ESXi hostname This can normally be easily done in the following way: Migrate VMs, offline VMs and templates of the host. …read more →

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VUM Error: Host cannot download files from VMware vSphere Update Manager patch store

Setup: vCSA 6.5 with embedded VUM Intro: At one of my customers, I had a weird problem that one of the hosts couldn’t updated through VUM. Time to investigate. Error: “Host cannot download files from VMware vSphere Update Manager patch store.  Check the network connectivity and firewall setup, and check esxupdate logs for details.” When …read more →

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