Citrix Hosting Connection error after upgrading Nutanix AOS cluster to 5.20.4.6 LTS

Citrix Hosting Connection error after upgrading Nutanix AOS cluster to 5.20.4.6 LTS

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Article ID: CTX464102

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Updated On:

Description

  • Hypervisor cluster is upgraded to Nutanix AOS to 5.20.4.6 LTS
  • Citrix hosting connection throws the below error
"A problem occurred while updating a broker host connection ('******') with information from the Citrix Host Service. Verify that the Citrix Host Service is running and configured. Verify that the specified host is reachable with the URL and credentials specified in the host connection. Error details: Exception 'Failed to create HCL plugin : Request Url = https://******/PrismGateway/services/rest/v1/cluster/ Request Body = , Request status : SecureChannelFailure,

 Exception :System.Net.WebException: The request was aborted: Could not create SSL/TLS secure channel. at System.Net.HttpWebRequest.GetResponse() at ******.PrismConnection.ResultFromHttpReques 'PluginUtilities.Exceptions.HostingInfrastructureCommunicationsFailureException'.

Environment

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Resolution

  • Connect to the Cluster CVM using a putty session
  • Run the below command on the Nutanix host to add the required cipher suites
allssh 'edit-ikat-config --add_cipher_suites="TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA" --cluster_wide_update=false'

Problem Cause

Incompatible Ciphers suites for the communication between the controllers and the new version of Nutanix AOS 5.20.4.6 LTS cluster

Additional Information

https://portal.nutanix.com/page/documents/kbs/details?targetId=kA07V000000LZCuSAO 

https://discussions.citrix.com/topic/417270-power-state-unknown-post-nutanix-aos-52046-lts-upgrade/
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