Visitors

VMware vCloud Connector Server upgrade

I tried to upgrade VMware vCloud Connector Server but the upgrade got stuck at “Checking for available updates…” and Check Updates button was greyed out even after restarting the vCC Server.

In order to stop vCC from continuing in this state perform the following steps:

In the vCC Server web interface go to the […]

VMware vCloud Connector Server / Node admin account: Unable to authenticate user. Please try again.

I had to re-visit a vCloud Connector environment I built quite a while ago but could not login to neither VMware vCloud Connector Server nor Node with the admin account. I was sure that I did not change the default password (vmware) so was the customer. I also checked that admin account was not locked […]

Configure DHCP reservation with Powershell

Quick Powershell script to add DHCP reservation for a VM on multiple DHCP servers:

Please refer to DHCP Server Cmdlets in Windows PowerShell for more details.

$DHCPservers = ‘DHCP001’, ‘DHCP002’ $Scope = ‘10.80.24.0’ $IPaddress = ‘10.80.24.12’ $Server = ‘SQL001’ $Domain = ‘internal.vStrong.info’ $VM = Get-VM $Server # $VM.NetworkAdapters.MacAddress returns MAC address in semicolon separated 00:50:56:00:00:00 […]

Unable to remove permissions in vCenter

One of my customers was getting a strange error when trying to remove permissions in vCenter:

The “Remove Permission” operation failed for the entity with following error message. The object or item referred to could not be found.

But the user was there! I asked him to add a new user and then remove […]

Trend Micro Deep Security: Prepare ESX operation failed – The installation transaction failed

Environment: VMware vSphere ESXi 5.5 (VMware ESXi, 5.5.0, Build 1746974) Trend Micro Deep Security Manager 9.0 SP1 Patch 3 (Build 9.0.6500)

Prepare ESX operation failed with the “The installation transaction failed” error.

Trend Micro Knowledge Base Solution ID 1102068.

Root Cause: VMware has confirmed that this issue could happen when downloading and installing the Deep […]

Scripted installation / upgrade of VMware Tools

I needed to upgrade VMware Tools on a large number of virtual machine for a customer who is currently going through a migration from VMware ESX 4.1 to VMware ESXi 5.5. The customer is also going to use Trend Micro Deep Security for the host level antivirus protection and therefore needs to install VMware Tools […]

EMC RecoverPoint & VMware SRM/SRA compatibility matrix

I am currently upgrading VMware vSphere infrastructure from 5.0 Update 2 to 5.5 U1. As part of the upgrade, I need to upgrade VMware Site Recovery Manager (SRM) 5.0.1 to 5.5.1 which is quite straight forward. Check out this and this articles.

But what about EMC RecoverPoint? We are currently running RecoverPoint 3.5 SP2 (p74) […]

Unable to create VCAC database

I was having trouble creating database on vpostgres when tried to create VCAC database.

When logged in as postgres user I typed psql at the prompt and was getting the following error:

-bash: psql: command not found

Usually this means that psql isn’t in the PATH of the user. Locate where psql is installed and […]

UIM/P 4.0.x is unable to install ESXi – PXE boot issue

When you’ll try provision ESXi using UIM version 4.0.x and Cisco UCS 2.1(3x) it might fail to install OS.

Installer hangs on s.v00 file and keeps rebooting.

There is an issue with the pxelinux third party software version utilized by UIM/P 4.0.0, UIM/P 4.0.0 Patch 1, and UIM/P 4.0.0 Patch 2, for OS installation.

To […]

VMware PowerCLI script to list Thin provisioned virtual disks (VMDK)

One of my clients was concerned about the number of virtual machines that were built with Thin provisioned disks. Before they go with the project to inflate all Thin provisioned disks (or migrate to Thick Provisioned Lazy Zeroed) they needed to know how much additional storage they would need.

PowerCLI to the rescue!

Yes, you […]