VCSA 6.5 deployment error "The installer is unable to connect to the VAMI"

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During the deployment of vCenter Server Appliance 6.5, you may receive the error message "The installer is unable to connect to the vCenter Appliance Management Interface" (VAMI).

The deployment of the VCSA strongly rely on the DNS infrastructure availability and a DNS record must be entered before starting the installation process.

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The problem occurs at Stage 1 of the deployment procedure and you might experience this error for two reasons:

  • a missing A DNS record and DNS PTR for the VCSA
  • wrong VLAN Network or IP address of the Default gateway

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When the entered parameters are correct, Stage 1 of the VCSA deployment completes successfully.

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Before starting the VCSA deployment, make sure you configured the DNS Server accordingly by creating the two VCSA records and specified the correct VLAN Network or entered the correct IP address of the Default gateway in the configuration during the VCSA deployment.

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4 Comments

  1. Cy 22/02/2018
    • Paolo Valsecchi 01/03/2018
  2. hc 14/09/2018
  3. Deven 16/04/2019