Yearly Archives: 2016

Quick fix: Windows 2003 black screen VM

When you attempt to log on to a virtual machine running Windows Server 2003 gives us only a black screen with exclamation point icon indicating the problem. Of course, you can login using the same keyboard as you can not see places to enter a username or password. Settings responsible […]

ESXi host randomly losing pings

Hey, Recently, I conducted environmental upgrade from version 5.1 to version 5.5U2. After picking up versions of all components of vCenter came time to upgrade ESXi hosts. In my case it was carried out by using the Update Manager. All machines have been done within two days. The next step […]

How to Reset the Password for admin@System-Domain vCenter SSO 5.1 (Single Sign On)

Hey, As in this week for one of my clients I’m conducting the process of upgrade vCenter 5.1 to version 5.5 U2 with components like Update Manager and Site Recovery Manager. I started to check all I needed for this process accesses accounts. When checking account administrator to the database Single […]

vCenter Single Sign On Error 32010

Hey, Sometimes it can happen that during the installation of the new vCenter receive an error Error 32010. Failed to create database users. There can be several reasons for this failure. In order to solve this problem, you must start the installation again, and when we come to the following […]

The request failed because the remote server took too long to respond

Hey, If you receive a message from the vSphere concerning exceeding the response time. First, I advise you to check the server where is located vCenter database. Speaking of checking, I mean how many free resources currently holds the machine. In my case, the problem, however, was in the same database […]


Hey, I would like to share my feelings about the final exam, which I began less than a month ago. Specifically it was a very difficult exam VMware VCAP Data Center Administration 5.5 My path to prepare for this exam began quite unexpectedly, because I started from participating in training […]

vMotion time test

Hey, Today I received a question about whether we are able to test the time vMotion between datastors. The requirements were simple. How much it will take to migrate 100 GB between disks in the same class. A person who needs such information chose silver storage class. Before starting the […]