Re-IP the Hybrid Cloud Extension (HCX) On-Prem/Cloud Appliance

Hello All,

After a long time i am writing this blog as i was so much busy in new challenges in life/work and didnt got the time to write something new. Anyways i am sharing a recent Scenario which i like to share . May be many guys know it but i thought to document and share it.HCX LOGOScenario : We had a new deployment of HCX on-prem via automation completed and somehow its got the ip already assigned to another host in the Onprem environment, and its start conflcting .  Worst thing happened that License for Activation the appliance … Read The Rest ......

Understanding vSphere Hardening


Hi All,

While i was preparing for my vSphere Design Exam i found this interesting topic and most important to use in Every Well designed infrastructure for security and hardening of the environment. Hardening vSphere as per customer requirement is comes with may challenges like below.

  1. Understand the customer exactly what he is looking for.
  2. Also Contained a mix of
    • Operational Guidance – How you use the product in your environment
    • Programmatic Guidance – What settings should be applied OR audited

Operational guidelines

  • They can be addressed or mitigated in many ways
  • They are generally left open to interpretation
  • In
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Disable unwanted plug-ins from vCenter Server and vCenter Server Appliance


Hello All,

Recently i deployed the vSphere update manager in my lab to test some of the functionality . After testing is done i wanted to remove the plugin from vcsa but disabling it doesnt work as my vCenter keep searching and querying the update manager server. So i thought to remove it. As may be most of the people know how to remove it  but i thought to share it with the people in more details. There is an VMWare KB is also there to do so. so lets start.

In a web browser, navigate to http://vCenter_Server_name_or_IP/mob.… Read The Rest ......

Vembu now supports VMware vSphere 6.7 with its latest update


The hottest topic revolving in virtualization in recent times has been about the release of VMware vSphere 6.7. What followed was the increased expectations from the users to get a backup support for vSphere 6.7. While the majority of the backup vendors are scrambling to make progress, we have an update already released to support Backup for vSphere 6.7.

VMware 6.7 was announced on 17th of April, 2018.

In less than 60 days after the official release, Vembu is geared up to support 6.7.

With this latest upgrade, VMware aimed to create a consistent infrastructure for users across all … Read The Rest ......

What is Virtual SAN Cluster Rebalancing

When any capacity device in your cluster reaches 80 percent utilization, Virtual SAN automatically rebalances the cluster, until the utilization of all capacity devices is below the threshold.


Cluster rebalancing evenly distributes resources across the cluster to maintain consistent performance and availability.

Other operations can initiate cluster rebalancing:

  • If Virtual SAN detects hardware failures on the cluster

  • If Virtual SAN hosts are placed in maintenance mode with the Full data migration option

  • If Virtual SAN hosts are placed in maintenance mode with Ensure accessibility when objects assigned FTT=0 reside on the host.

To provide enough space for maintenance and reprotection,

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Manual Rebalance of vSAN Cluster

You can manually rebalance through the cluster health check, or by using RVC commands.

manual rebalance

If the Virtual SAN disk balance health check fails, you can initiate a manual rebalance in the vSphere Web Client. Under Cluster health, access the Virtual SAN Disk Balance health check, and click the Rebalance Disks button.

Use the following RVC commands to manually rebalance the cluster:

  • vsan.check_limits. Verifies whether any capacity device in the Virtual SAN cluster is approaching the 80 percent threshold limit.

  • vsan.proactive_rebalance [opts]<Path to ClusterComputeResource> –start. Manually starts the rebalance operation. When you run the command, Virtual SAN scans

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Automatic Rebalance of vSAN Cluster

Virtual SAN automatically rebalances the Virtual SAN cluster when a capacity device reaches 80 percent utilization. Rebalancing also occurs when you place a Virtual SAN host in maintenance mode.Its By Default.


Run the following RVC commands to monitor the rebalance operation in the cluster:

  • vsan.check_limits. Verifies whether the disk space utilization is balanced in the cluster.

  • vsan.whatif_host_failures. Analyzes the current capacity utilization per host, interprets whether a single host failure can force the cluster to run out of space for reprotection, and analyzes how a host failure might impact cluster capacity, cache reservation, and cluster components.

    The physical

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Script : Check Logon Duration

Hi All,
Most of the times we need the logon duration for the different things and we start searching for the script everywhere on the web. Now here is an script which comes up with this solution.
Hope you all like it.


Script Overview

This script covers the entire logon process, from the moment the user clicks on the published resource until the Desktop is available.

The new module works by querying the XenDesktop Monitor service via 0Data API. The Windows session ID is translated to a XenDesktop SesionKey which is used in the 0Data API query.

Script Prerequisites

The … Read The Rest ......

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