I just ran into the following issue when I upgraded the customers vCenter Server to 2.5 U4: “”Failed to install the VC agent service” Error Message Appears after VirtualCenter Upgrade”. None of the 3.0.x hosts would connect anymore. Of course the knowledge base provided a simple solution for this known issue.
Posts Tagged ‘VirtualCenter’
Virtual Machines appear to be running or registered on multiple ESX Servers
April 17th, 2009
7 Comments
I was doing my daily round on the VMTN Forums and noticed this topic on VMs flickering between ESX hosts. I’ve personally never witnessed this and didn’t even knew it was a known issue. Luckily Troy Clavell pointed the topic starter out to a KB article related to this exact issue. Apparently it’s being caused [...]
Changed advanced option in HA not working?
February 24th, 2009
1 Comment
VMware just release this KB article which is definitely one you should read if you use the VMware HA advanced option. In short: When you edit the HA advanced options they do not take effect until you re-enable HA on the cluster.
Be aware of this when implementing or troubleshooting HA it can cost you a [...]
Train Signal virt CBTs still 25% reduction
February 16th, 2009
No Comments
A couple of weeks ago I wrote about Train Signal, the post included a reduction coupon, YELLOWBRICKS. This coupon gives you 25% reduction on the Train Signal virtualization CBTs. Train Signal was so kind to also provide me with an additional coupon that gives you free shipping:
All you need to do is head over to [...]
vCenter and SQL service dependencies
February 12th, 2009
6 Comments
During several projects I noticed that for some reason the vCenter service would not start correctly. After a quick browse in “services.msc” and the eventlog I noticed that the vCenter service started before the SQL service. As you can imagine vCenter needs SQL to be up and running before it can actually start. I fixed [...]
vCenter tasks time-out or ESX disconnects?
February 5th, 2009
1 Comment
I just received an email from a fellow consultant about a customer which had vCenter tasks time-out every once in a while. At times also ESX hosts got disconnected for no apparent reason at all. He discovered the following article by Richard Blythe aka VMware Wolf: ESX disconnects randomly or when doing VI client tasks [...]
Replicate Datacenter Analyzer 1.2
January 29th, 2009
4 Comments
I was just testing Replicate Datacenter Analyzer(RDA) 1.2 at a customer site. Well “testing” might not be the correct word in this case. RDA 1.2 discovered several things which are impossible to discover manually when you’ve got 5+ hosts. In this case there were over 50 hosts and RDA exposed the following:
inconsistent portgroup names
inconsistent portgroup [...]
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