After I had to restart vCenter for some reason, this server failed to boot properly and went into the Emergency Mode. The appliance fails to start and reports the following message: To find out the root cause of this error, open the vCenter Console and scroll up (Shift + Page Up) the screen to see…
Get ESXi Hardware Information with Command
While resting at home, a friend contacted me and said he was looking for hardware information from his servers because he was going to increase the amount of RAM and upgrade the server’s memory to higher size and asked me to help him in order to find the memory information such as empty slot and…
The SSL certificate of STS service cannot be verified
After I replace my new VCSA certificate with embedded PSC, I see the disconnected status in the NSX Manager dashboard in the Lookup Service section. When I try to configure Lookup Service in the NSX Manager I got the following error and after googling I find this KB, as in this KB mentioned, I check…
Replacing vCenter Server Certificates Rollback at 85%
Today I was replacing VMCA certificates by an ADCS (Active Directory Certificate Service) signed certificate, which everything went well except when I imported my certificate, the procedure stuck at 85 percent and rollbacked. and show you an error with this title. Status : 85% Completed [starting services…]Error while replacing Machine SSL Cert, please see /var/log/vmware/vmcad/certificate-manager.log…
ESXTOP and Disk Performance Problems
One of the common problems in software-defined datacenters is the latency of the virtual machine disk which will slow down the application and increase response time. The virtual machine owner or user declares that its system is slow and the question arises whether the slowdown is coming from a virtual infrastructure or storage device or…
Upgrade VMFS 5 to VMFS 6
3 versions of the VMFS file system have been released by VMware for ESXi hosts which include VMFS3, VMFS5, and VMFS6. To fully understand the differences between these VMFS versions check this link.Today, after the successful installation of ESXi 6.7 on HP DL380 G9 in one organization, we have decided to update their datastores from…
Add VMkernel adapter to a number of ESXi hosts
Currently, I’m working with a customer who was wanting to add new VMkernel to their ESXi hosts and the number of ESXi hosts is about 50. Doing this task by vSphere Web Client was a bit time consuming and it is worth to write a script to this task automatically in a few seconds.While I…
How To Install VMware PowerCLI via PowerShell
The installation is done completely through PowerShell itself using the PowerShell Gallery via PowerShellGet. To install the PowerCLI 11, you just need to open the PowerShell with administrative privilege and type the following command to run the installation. Install-Module -Name VMware.PowerCLI -RequiredVersion 11.1.0.11289667 -Scope AllUsers PowerCLI will automatically be installed for all users. If you want…
Horizon View 7 – Initial Horizon View Configuration
In this post, we are about configuring the Connection Server so that it can create pools of VDI desktops. We use the Horizon Administrator UI to perform these Connection Server configuration tasks. Before we create a desktop pool we must have the following parameters configured: Horizon 7 license vCenter Server user account – See Horizon View…
Horizon View 7 – Creating a Desktop Template
Horizon view uses a virtual machine template as the basis of the pool whatever it is linked pool or instance pool. With an automated desktop pool that contains full virtual machines, you create a virtual machine template and Horizon 7 uses that template to create virtual machines in vCenter Server for each desktop. I will…