NGT internal server Error

  • 21 June 2021
  • 1 reply

Hello Everyone ,

Yesterday , we upgraded AOS to 5.20 LTS and an alert appeared on Most VMS as follow 

NGT should be upgraded to the latest version , we need upgrade all VMs by PC when upgrade the VM the following error appear INTERNAL_ERROR:internal server Error 

but when upgrade manual the operation succeeded , for your info VM OS 2016 .



Best answer by Walid Fawzy 23 June 2021, 12:05

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I opened case with Nutanix Support and the issue resolved by run the following commands :

$certificate = New-SelfSignedCertificate -DnsName $env:computername -CertStoreLocation cert:\LocalMachine\Mywinrm create winrm/config/Listener?Address=*+Transport=HTTPS "@{Hostname=`"$env:computername`";CertificateThumbprint=`"$($certificate.ThumbPrint)`"}"


cmd /c 'winrm set winrm/config/service/auth @{Basic="true"}'
netsh advfirewall firewall add rule name=\"WinRM-HTTPS\" dir=in localport=5986 protocol=TCP action=allow


or from the following KB 

 Prism 5.20 - NGT Management in Prism Central Requirements (