You can connect to vCenter Server. You can select Diagnostic or Security assessment base on VMware Security Guideline or both the options base on your requirements. Then collect logs by selecting desired hosts from the inventory and analyze. The successful analysis generates the detailed report having the list of problems and resolutions.

The diagnostics plugin represents generic category of the problems related to the vSphere operations. The VMware Security Advisory plugins represent the security issues identified by VMware Security Advisory. The VMware Diagnostics plugin needs log bundle from the target host for the analysis. The VMware Security Advisory plugin needs the product build information, that gets collected using the APIs.


  • Verify that you have the vSphere user name and password.

  • Verify that the vSphere user has roles and permissions to collect logs.

  • Verify that you have login credentials for Skyline Health Diagnostics

  • Verify that you have VCSA appliance root credentials if you are planning to collect logs from the vCenter appliance. If, the vCenter UI is not accessible use VCSA appliance root credentials.

  • Verify that the vCenter user has following privileges

    • Global.Diagnostics

    • System.View

    • Read Permissions on the inventory objects (Datacenter/Cluster/Host)


  1. Log in the VMware Skyline Health Diagnostics for vSphere UI using the supported browser.
  2. In the top-menu, click Collect Logs and Analyze .
  3. Enter the vCenter/Host IP address in Host Name/IP field.
  4. Enter the vCener/Host user name in the Username field.
  5. Enter the password for the user in the Password field.
  6. Select Skip SSL Check, if you want to skip the SSL verification.
    1. Check Skip SSL Check, if the vCenter uses the self-signed certificate.
  7. Select Connect to vCenter Appliance, if you want to collect logs using VAMI interface and vCenter HTML user interface is not reachable.
    1. For this use case, please use root user account details in step 5 and 6
  8. Click Check Connection. This action validates the credential by performing a login to the given vCenter/ESXi Server.
    1. If the connection is successful , the message vSphere API connection is successful. displayed.
    2. If the error is observed while connecting to vCenter, the RUN DIAGNOSTICS is grayed out and error message displayed.

    RUN DIAGNOSTICS is enabled if the connection to check is successful.


    Select Inventory windows shows all the hosts available in vCenter including option to collect the diagnostic log bundle form vCenter Server.

  10. Select appropriate plugins to run (Diagnostics, VMSA).

  11. To run the diagnostics, select host by clicking the check box of the respective hosts.
  12. Select Include vCenter for Analysis if you want to analyze vCenter (this is required for both Diagnostics or VMware Security Advisory Plugins).
  13. Provide the Tag Name to remember the analysis. The tagging, helps in quick search of the analysis report afterwards.
  14. Click VALIDATE.

    Submit for Analysis window is displayed with count of vCenter & host selected of analysis. If any disconnected hosts are part of inventory, you can click 'BACK' and deselect them.

  15. Click FINISH on the Submit for Analysis window.

    Download and Analysis starts and VI Admin can see the progress as follows:

  16. Once the Analysis is complete, Click View Report icon to see the analysis report.

    Analysis report

  17. To download the analysis report, click the Download icon.