Category: Troubleshooting

SDDC-Manager Doesn’t want to start or retry an update (VCF 3.10)

I had a weird problem, where my SDDC-Manager of my VCF environment didn’t want to start any update. I had this in 2 different scenario’s. In one case I had a failed ESXi upgrade according to the SDDC-Manager. Checking it later on, the upgrade was fine, but the SDDC-Manager still marked the host in an …read more →

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vCF Upgrade 3.9.1. to 3.10 – vCenter Upgrade errors & issues

Intro During the upgrade of the vCenters of one of my customers, I stumbled several times upon the issue down below. It suggest to check the logs, and to check if the ‘service-control –start applmgmt is running. On both machines the service applmgmt is running. I also checked if SSH was on, which was the …read more →

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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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How to get fully (root) access to NSX-v appliances (Manager & Edge) & NSX Intelligence

If you have ever tried to troubleshoot an NSX-v Management Appliance or Edge, you probably noticed that you are quite limited in the execution of your controls. That’s because in NSX-v you are standardly limited with most of the time only esxcli, even when you are logged in as admin. To get past that you …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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vRLI Webgui doesn’t start up: Config Folder Lost & “Keystore was tampered with or Password was incorrect”

Intro One of my customers had problems with their vRLI environment, the most obvious one was that the webgui wasn’t available or even started. The following post is a more general approach of how I troubleshoot vRLI. In this case I had to apply 2 workarounds / solutions to make it work again. In this …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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NSX-T Passwords Expired for default accounts

A colleague of my, had some troubles making an API call to the NSX-T Managers in a particular site. Looking closer into vRA we saw the following message: So we decided to log into one of the NSX-T managers, and we directly saw the following: Since the password was expired, we were asked to change …read more →

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Can’t access the NSX-T managers with SSH in vCF?

When trying to connect to a NSX-T manager node with SSH, it is possible that you get this message. That is because during the deployment of NSX-T, the SDDC-Manager doesn’t turn on SSH for the VMs. This can simply be changed by login in to the webconsole of the NSX-T manager, and turning on SSH …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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