vShield Manager ssl certificate problem caused vSphere client and web connection to vShield manager to fail

After a ssl certificate change on vShield manager I found that the connection to the webserver and vSphere clients connection to vShield would not work. On closer inspection I found that the certificate I used was not the correct one and…

The Story: I needed to change the secondary DNS settings in the vCloud Director 5.1 virtual machine (Red hat 6.2). A network service restart was required for the settings to take effect. After this I noticed that the vCloud consoles would not connect and…

How to change the ESX Admins domain group to a different domain group for root access – ESX 5.1

In an effort to change the domain group that is granted root access in an ESXi host that is added to a windows domain I went searching for advanced settings in an ESXi 5.1 host. I found that the Config.HostAgent.plugins.hostsvc.esxAdminsGroup…

Create SSL certificate for vCOPs

To create an SSL certificate  for vCOPs (vCenter Operations manager) use the following procedure: On a machine with openssl installed do the following: Create the following file in notepad and save it as c:\certs\vcops\vcops.cfg. Change the details in the subjectAltName…

VCAP-DCD 5 – Section 2.1 – Create a vSphere Logical Design from an existing conceptual design 2.1

Objective 2.1 – Map Business Requirements to the Logical Design Explain the common components of logical design Logical design components include: the relationship between all major infrastructure components Conceptual design Constraints and risks Focuses on meeting the requirements List the…

Objective 1.1 – Gather and analyze business requirements Associate a stakeholder with the information that needs to be collected A Stakeholder is a person with an interest in the project. They include: Application Owners Network Team/Admin Storage Team/Admin Server Team/Admin…

Just wanted to add some powercli scripts. Create identical resource pools in new vSphere After creating a new vSphere instance during a migration, I needed to create the same resource pools as in the old vSphere. As there were many pools I…

I was called in one evening with a request to fix an important SQL Server virtual machine that had frozen and was not responding to pings, remote desktop and the vSphere console was not displaying. All attempts to power off the virtual machines did not work vSphere…

How to downgrade to an older driver in ESXi 5

While working with IBM blade HS23 I had a situation occur where I needed to upgrade to the latest network adapter drivers as a network problem was occuring. I found the latest driver from the VMware Downloads site and upgraded the…