"Please ensure that host uplinks are connected to a DVS. Connections only to vSphere Standard switches are not supported" VCF import tool during precheck gives this error.
Article ID: 386919
Updated On:
Products
Issue/Introduction
This article provides steps on how to confirm Host with DVS configuration and corelate the same with VCF Import tool to consider as false positive
Example tool output:
[YYYY-MM-DD hh:mm:ss] [INFO] vc_precheck:212: Connected to vCenter <FQDN> 0.04 seconds[YYYY-MM-DD hh:mm:ss] [INFO] vc_precheck:440: Running pre-checks for vCenter <FQDN>...[YYYY-MM-DD hh:mm:ss] [INFO] vc_precheck:756: [1/10] VC BOM version check... [YYYY-MM-DD hh:mm:ss] [INFO] vc_precheck:756: [2/10] vSAN stretched cluster check... [YYYY-MM-DD hh:mm:ss] [INFO] vc_precheck:756: [3/10] Supported storage available check... [YYYY-MM-DD hh:mm:ss] [INFO] vc_precheck:756: [4/10] vCenter VM location check... [YYYY-MM-DD hh:mm:ss] [INFO] vc_precheck:756: [5/10] VxRail registration check... [YYYY-MM-DD hh:mm:ss] [INFO] vc_precheck:756: [6/10] NSX-T registration check... [YYYY-MM-DD hh:mm:ss] [INFO] vc_precheck:756: [7/10] Standalone host check... [YYYY-MM-DD hh:mm:ss] [INFO] vc_precheck:756: [8/10] All cluster hosts connected to vDS check... [YYYY-MM-DD hh:mm:ss] [INFO] vc_precheck:756: [9/10] ELM ring topology check... [YYYY-MM-DD hh:mm:ss] [INFO] vc_precheck:756: [10/10] WCP import check... [YYYY-MM-DD hh:mm:ss] [INFO] vc_precheck:645: ESC[91mPre-checks failed![YYYY-MM-DD hh:mm:ss] [INFO] vc_precheck:646: ESC[91m8. All cluster hosts connected to vDS check -> Found ESXi hosts that are not connected to vSphere distributed switch (DVS). Please ensure that host uplinks are connected to a DVS. Connections only to vSphere Standard switches are not supported.[YYYY-MM-DD hh:mm:ss] [INFO] vc_precheck:481: Pre-checks for vCenter <FQDN> completed in 0.57 seconds
Environment
SDDC 5.x
Resolution
Check if all the Hosts are connected to DVS using one of the following options:
1. First option is to check from vCenter UI.
- Login to vCenter UI
- In the Navigation pane on the left, go to Networking
- Click on the Distributed Switch (DVS) that you want to check
- After selecting the DVS, click on the Hosts tab
- This tab lists all the hosts that are connected to the DVS
2. Second option is to check from MOB page.
- Make a note of the MOB ID by clicking on DVS switch in VCenter UI. From the URL, note the DVS moid.
- Access MOB using below link:
https://<vCenter FQDN>/mob/?moid=dvs-## (Replace # with dvs moid) and then, click on Summary
Once we have confirmed the hosts from the MOB page matches the vCenter web UI, we can be sure that there is no issue with VDS configuration.
Since Failing precheck does not block anything so once it is confirmed that all the Hosts are connected to the DVS, we should be able to proceed.
Note: Connections only to vSphere Standard switches are not supported
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