You may faced the similar issue by default if you currently running your vcenter server 4 on top of Windows 2008. The reason of the services start up failure are due to the dependency setting require to add in manually.
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1007669
I found the KB above which describe in details about the root cause and solution to over come this.
This issue may occur if the VirtualCenter Server service starts before one of the services it depends on. The VirtualCenter Server service is dependent on the following services:
- SQL Services
- ADAM Services (when using linked mode in vCenter Server 4.0)
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I’m getting an “error message: 28038″ just before the VMware VCenter Server installation end as screen shot below:

Workaround:
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VMware Lifecycle Manager 1.1 is now available as an open beta. VMware Lifecycle Manager 1.1 has focused on enterprise scalability, performance, and enhanced quality improvements. It had tested to run with more than 3,000 VM’s and several hundred registered vCenter objects (such as datastores, resource pools, networks, etc) across multiple vCenter instances. Beta is open to anyone who registers through vmware.com.
A link to beta registration and access to the beta forum can be found HERE on the right-hand side of the LCM product page.
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Most of us may had previously experienced a VM which hung in the ESX hosts. Usually we will use the command vmware-cmd utilities to kill or stop the virtual machine. Sometimes we even need to use the vm-support command to force the VM to be stop hardly if vmware-cmd was not worked. Today I found some interesting issue with 1 of the virtual machine. I had executed the instruction to power off from vCenter 4. This virtual machine is running on vsphere 4. After 2 minutes, the virtual machine still showed power on from the vCenter, and I executed again the 2nd command to power off, the system prompted that another process was in progress, and access was denied.
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The Cisco Nexus 1000V switch is a pure software implementation of a Cisco Nexus switch. It resides on a server and integrates with the hypervisor to deliver VN-Link virtual machine-aware network services. The Cisco Nexus 1000V switch takes advantage of the VMware vSphere vNetwork Distributed Switch framework to offer tightly integrated network services as part of both a server virtualization strategy and a broader data center virtualization strategy. In addition, the switch provides operations and management consistency with existing Cisco Nexus and Cisco Catalyst switches.
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