Time to Upgrade to vSphere

http://www.mikedipetrillo.com/mikedvirtualization/category/vsphere

Entering ESX Maintenance Mode via Command Line

To enter a ESX Server in Maintenance Mode, at the ESX console you need to type the following command:


vimsh -n -e /hostsvc/maintenance_mode_enter

To exit Maintenance Mode type:

vimsh -n -e /hostsvc/maintenance_mode_exit

To display whether the ESX Server is currently in maintenance mode or not type the following command:

vimsh -n -e"hostsvc/hostsummary" | grep inMaintenanceMode

Logon to Service Console and then initiate the following command:

vimsh -n -e "vmsvc/getallvms"

The above command can be used to generate a report to provide the VM information based on its OS, .vmx filepath and the VMid's.

How to Report ESX VMware Version

Logon to ESX Service Cosole.

At the ESX service console type:

vmware -v

This command should display the ESX VMware version details.

How to enable remote SSH on VMware ESX 3.x

Navigate to the ssh folder, eg:


cd /etc/ssh

Open the sshd_config file with a text editor.

Go to the line in the file which reads PermitRootLogin no and change the no to yes.
 
Save the changes to the file and finally, restart the sshd service by typing the folowing command:

service sshd restart

VM Template best practices Windows

All the credits to Leo from Core-IT for compiling all the information togather.

VM Templates Best Practices Windows

Installing ESX 4.0 and vCenter 4.0 best practices

This information was found on Vmware KB Site Clich Here

Running Diagnostics Against Active Directory Domain

Makesure you have the support tools installed on the server from the CD

Location: d:\support\tools\setup.exe

Run dcdiag, netdiag and repadmin, you need to run them in verbose mode.

dcdiag /e /c /v /s:(Domain Controller Name) /f:c:\dcdiaglogfile.log

netdiag.exe /v > c:\netdiaglogfile.log

repadmin.exe /showrepl (Domain Controller) /verbose /all /intersite > c:\repllogfile.txt

Once the log files are gernerated then just search the log files for the Fail and Warning messages.

Active Directory Operations Guide

Procedures Reference Guild:

http://technet.microsoft.com/en-us/library/bb727062(printer).aspx#EIAA

Troubleshooting File Replication Service

You need to type the following command at a command prompt on the computer that logged the FRS event ID 13508 and then press ENTER:

ntfrsutl version

For Example the command will output the following Information:

ntfrsutl version (FQDN of the rmote server)
NtFrsApi Version Information
NtFrsApi Major : 0
NtFrsApi Minor : 0
NtFrsApi Compiled on: Feb 16 2007 20:01:19
NtFrs Version Information
NtFrs Major : 0
NtFrs Minor : 0
NtFrs Compiled on : Mar 24 2005 15:06:43
Latest changes:
Install Override fix
OS Version 5.2 (3790) -
SP (1.0) SM: 0x0112 PT: 0x02
Processor: INTEL Level: 0x000f Revision: 0x0209 Processor num/mask: 2/00000003