About RVtools

RVTools is a Windows .NET 4.6.1 application which uses VMware vSphere Management SDK 7.0 and CIS REST API to display information about your virtual environments.   You can download the RVtools from below link https://www.robware.net/rvtools/ With RVtools, you can get all the information of the vCenter such as resources, hosts details, license, vm details, cpu,…

unable to connect vCenter or ESXi using powercli

If you are unable to connect to the vCenter or ESXi and getting certificates issue then please run the below command in powershell to ignore certificates check.     Set-PowerCLIConfiguration -InvalidCertificateAction Ignore -Confirm:$false Reference: Below is the command to connect to the vCenter or ESXi connect-viserver vcenter or ESXi   To install the powercli, run the below command…

WSUS troubleshoot script

WSUS troubleshooting steps: $server = Get-Content -Path “D:\servers.txt” foreach($server in $servers) { Get-Service -ComputerName $server wuauserv | stop-service reg Delete: \\$server\HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\windowsUpdate /v PingID /f reg Delete: \\$server\HKLM\SOFTWARE\Microsoft\windows\CurrentVersion\winddwsUpdate /v AccountDomainsid /f reg Delete: \\$server\HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate /v SusClientid /f reg Delete: \\$server\HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate /v SusClientIDValidation /f Get-Service —ComputerName $server -Name wuauserv | start-service Invoke-Command -ComputerName $server -ScriptBlock {wuauclt.exe /resetauthorization…

Azure Files and File Sync

Files vs Blobs File storage5 offers shared storage for applications using the industry standard SMB protocol6. Microsoft Azure virtual machines and cloud services can share file data across application components via mounted shares, and on-premises applications can also access file data in the share. Applications running in Azure virtual machines or cloud services can mount…

Security policies in vSwitch

Network security policies are: Promisicous mode MAC Address changes Forged Transmits Promisicous Mode: It is set to reject by default but  we set it to accept to view the traffic flowing through the entire vSwitch. Promisicous mode will allow you to sniffing and capturing all the traffic of the virtual machines going through vSwitch. We…

Purging vCenter 5.5 event table for reclaiming space

Known issue: vmware vCenter service is not starting in 5.5 version. Below steps are only for SQL 2008 express edition. Stop vCenter server service on virtual center server. Connect to vCenter SQL instance from any server which has SQL Management Studio installed. Check with DBA team for assistance, usually the DB name will be VIM_VCDB…

Windows server 2019

Windows Server 2019 Standard Edition is the newest base version of the low virtualized software built for high traffic container environments. Cloud-ready when you are Windows Server 2019 helps you grow your business—and extend operations to the cloud—from a position of strength. It maximizes your existing investments and builds on Windows Server security, app innovation,…

SRM – Array Based Replication vs vSphere Replication

  Parameter Array-Based Replication vSphere Replication RPO min/max 0 up to max supported by vendor 15 mins to 24 hours Scale Scales up to 5,000 VMs protected/2,000 simultaneously Scales up to 2,000 VMs (protected & recoverable) per recoverable per vCenter/SRM pair vCenter/SRM pair Write order fidelity Supports write order fidelity within and across multiple VMs…

Restarting the Management agents on an ESXi or ESX host

Reason: Cannot connect ESXi/ESX to VirtualCenter/vCenter Server Cannot connect directly to the ESXi/ESX host from the VMware Infrastructure Client / vSphere Client Cannot stop or start a virtual machine A virtual machine is shown as running in vCenter Server when it is not vCenter Server displays the error:Virtual machine creation may fail because agent is…