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Showing posts from March, 2015

Issue : Configure Management Network option is Grayed out into ESXi

Last week I got into an issue of one of my client into Vsphere environment where one of its ESXi went done out of the network. Issue was IP address was showing 0.0.0.0 on main Esxi screen and when I tried to change the network configuration, its " Configure Management network option was greyed out.  I tried to gid into it and try to analyis its vmKernal and vmwarning logs. What I found is its VMkernal switch got removed due to unexpected reason. So to resolve the issue I tried to reconfigure its vswitch0 (vmk0) by going into Tech Mode of that Exi. Below are the steps which I followed to resolve the issue. 1) Login to ESXi 2) Press F2, Check if you " Configure Management network " is greyed out or not" if yes,    follow below 3) Press ALT+F1 to move the ESXi screen to tech mode   ( This is command line like dos) 4) login with root account 5) Run the following command into it esxcli network ip interface add --interface-name= vmk0

SSO Password reset process and lockout process

Basically there are 2 way to reset the SSO password ·       From Command line ·       VMware vSphere Web Client ·       If by any chance if your password got lock or want to change the SSO password then it would be difficult to revert back unless changing the policy of SSO Password. By default it will not allow to reuse any previous 5 passwords.   ·       To change the password policy from web client pls follow below mentioned step.               1)      Login to Vmware vsphere web client               2)      Click Home à Click Configuration à Select Policy à Password policy               3)      Click Edit ·       Change the Users cannot reuse any previous password to 1 ·       Click OK ·       Click on SSO Users and Groups ·       Click user “admin” à Right Click and select Edit settings and change the password ·       Again got to Password policy and  Change the Users cannot reuse any previous password to 5 ·       Click OK ·        

To reset the SSO administrator password on a Windows server:

Note : Resetting the password will also unlock the administrator account . 1.      Login as an administrator to the vCenter SSO server. 2.      Click  Start  >  Run , type cmd, and click  OK . The Command Prompt window opens. 3.      Navigate to the directory  SSOInstallDirectory \utils.  By default, the installation directory is  C:\Program   Files\VMware\Infrastructure\SSOServer \ utils . 4.      Run this command: rsautil reset-admin-password 5.      Enter the master password when prompted. Note : This is the password  s elected for the SSO administrator during the SSO installation. If you have changed your SSO administrator password later, the master password is still the original one chosen. 6.      Enter the SSO administrator name for which you want to reset the password. For example,  admin . 7.      Enter the new password for the user and then confirm it a second time. You should see the message   Password reset successfully .

Popular posts from this blog

Changing the FQDN of the vCenter appliance (VCSA)

This article states how to change the system name or the FQDN of the vCenter appliance 6.x You may not find any way to change the FQDN from the vCenter GUI either from VAMI page of from webclient as the option to change the hostname always be greyed out. Now the option left is from the command line of VCSA appliance. Below steps will make it possible to change the FQDN of the VCSA from the command line. Access the VCSA from console or from Putty session. Login with root permission Use above command in the command prompt of VCSA : /opt/vmware/share/vami/vami_config_net Opt for option 3 (Hostname) Change the hostname to new name Reboot the VCSA appliance.   After reboot you will be successfully manage to change the FQDN of the VCSA . Note: Above step is unsupported by VMware and may impact your SSL certificate and face problem while logging to vSphere Web Client. If you are using self-signed certificate, you can regenerate the certificate with the

VM Creation Date & Time from Powercli

Most of the times we have several requirement when we talk about IT environment like designing , deployment , compliance check or for Security auditing the environment. Somewhere during security auditing we require to provide several information to security team to get successful audit. One of them is the compliance of Virtual machine auditing of creation date and time. Here into this post we will explore how to get the creation date and time of virtual machine hosted into the vCenter or ESXi. To get the details we will use VMware Powercli to extract the details. By default there is no function added into Powercli to get such details, so here we will add a function of vm creation date. Below is the function which needed to be copy and paste into the Powercli. ======================================================================= function  Get-VMCreationTime  {     $vms  =  get-vm     $vmevts  = @()     $vmevt  =  new-object  PSObject     for

Unable to poweron the VM. (Failed to lock the file)

I have encountered may issues like where after some upgrade or migration we were unable to power on the VM. Figure 1 An error was received from the ESX host while powering on VM HSSVSQL01. Failed to start the virtual machine. Cannot open the disk '/vmfs/volumes/578d835c-18b2c97a-9b0d-0025b5f13920/SAMPLE1_cloud/000000.vmdk' or one of the snapshot disks it depends on. Failed to lock the file In above Figure:1, where while powering on the VM, its prompt for an error. Well, there are several reason for where the VM unable to poweron and you can find many article on this. Here in this article we will discuss to resolve this issue. Please use below step to resolve the disk lock issue  C hecked that VM is running on snapshot if its getting error " VM Consolidation required". Checked the snapshot manager if its showing any snapshot. If yes, try to delete the  snapshot. Verified the same from Esxi cl
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