Category Archives: Troubleshooting
vIDM 3.3.6 Directory Sync Failed
The VMware Identity Manager (vIDM) was running fine for a while until we received a mail notification from the vIDM appliance stating that the directory sync is failing with the following error message: “The specified Bind DN and password could not be used to successfully authenticate against the directory”. Investigating the issue I wanted to…
Unable to access the configurator page in vIDM 3.3.5
During the preperation of the upgrade for vRA, we stumbled on a vIDM (VMware Identity Manager) problem. The vIDM appliance couldn’t finished an inventory sync in vRSLCM (vRealise Suite Lifecycle Manager). The inventory sync failed with the following error message: So the first thing that came in my mind, can I login to the configurator…
Unable to eject/cancel VMtools ISO in vCloud Director 9.7
During a maintenance on of the hosts I manage, I discovered that the host was unable to go into maintenance mode because of an mounted VMtools ISO. I was unable to easily unmount the VMtools ISO from the virtual machine. In this article, I will show you how to troubleshoot and eventually how to fix…
Unable to change VM config in vCloud Director 9.7 error: “class: java.lang.NullPointerException”
The following error message was shown in the vCloud director GUI after trying to modify the VM: “class: java.lang.NullPointerException”. The issue occurred on every VM configuration update such as: edit description, changing resources etc. Troubleshooting on vCD layer I tried to find some additional logs by logging into the vCD cells and searching for the…
No DNS resolution after successful deployment of vCAv 3.5.1 appliance.
For the preparation of a migration, I needed to deploy a vCAv 3.5.1 appliance on the source site. The migration was going to be from vCD 9.5 to vCD 9.7 platform. During the initial setup of the vCav appliance, I ran into an issue when configuring the lookup service. The error message I got was:…
Partially powered off state error caused by duplicate VM in vCloud Director 9.7
This week we experienced an issue with two virtual machines not showing the correct values in the vCloud Director view. Both virtual machines had 2 vCPU when we checked the virtual machine properties in vCD, but the values were totally off when we compared the values with the VM properties from the vCenter GUI. The…
Virtual machine is associated with a wrong resource pool in vCloud Director 9.7
Virtual machine is associated with a wrong resource pool was the warning i had on two virtual machines in vCD. Those 2 virtual machines were also disappeared from the resource pool view in the vCloud Director GUI. Because of that, I wasn’t able to vMotion those virtual machines to the new resource pool (cluster). In…
Detaching a resource pool from PvDC failed in vCloud Director 9.7
Detaching a resource pool failed in vCloud Director with the following error message: [ID] ValidationException Delete_Hub_Containing_VMS . This week i needed to troubleshoot a task that failed in vCloud Director that occurred during the detaching of an resource pool in a provider vDC. The following error was reported in the vCloud Director GUI as shown…
Failed to set the time via NTP Details – vCenter upgrade failed 6x Step-By-Step
Yesterday I had a scheduled maintenance to upgrade a vSphere environment from 6.5 to 6.7U2. This includes the upgrade from vCenter version 6.5 to 6 7U2C. Unfortunately I had a NTP error that caused the failure of the upgrade job. The deployment of the target (vCenter) appliance with the ISO file provided by VMware wasn’t…
Unable to perform a VM task like vMotion or Snapshot in vCenter 6x – Step-By-Step
This week I had an VM that couldn’t perform an vMotion or a snapshot task. Performing one of these tasks results in an error message as shown in the picture below: Troubleshooting One of the first steps I did was checking the VM log of that particular VM for any errors. This is very simple…