File server spec validation failed, unknown error - While Setting Up Files on Nutanix CE

  • 31 January 2020
  • 2 replies

Hi all :)

i want to Setup a small Files on my nested (esxi) CE Enviorment for testing and Demo purposes.


I am able to install the Base Packages by modifing the json Metadata.


AFS Version tried so far: 2.2.4, 3.6.1,

AOS Version: 2019.02.11


Installation works without Problems.

But when i want to Setup the Server i get the following Error after completing the last Step in the Setup:

File server spec validation failed, unknown error


I allready give 12GB more RAM per Node to 60 GB/Node. And i checked all Netwoks, IPs, DCs, NTP-Servers and Gateways.

Besides the CVMs with 24 GB there is only one Windows VM running with 4GB RAM.

Has someone an Idea what this can be?

Thanks :)

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2 replies

Userlevel 3
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Hi Florian, 

Please ssh to a CVM to obtain the IP address of the uhura leader CVM:

links http://localhost:2037 --dump | grep -i "Uhura Master"

SSH to the IP address received from the command above and check the “data/logs/uhura.out” file, search for the timestamp of the error and look for this message: 

“Unexpected error happened: vCenter connection could not be established”

This occurs when vCenter connection could not be established by Nutanix Files if the hypervisor is ESXi.     

If this is the issue, then run:

genesis stop uhura ; cluster start

If the issue was not solved after this, consider contacting Nutanix support and we will check the logs to understand the root cause.

Hi Jubran,


thanks for the Info. When i understand you right, then you need this when the Hypervisor is ESXI.

In my Szenario i install the CE nested on a ESXI. In the Nutanix Cluster itself i use AHV. 

Will his fix den work also in my Szenario?

Thanks :)