Failed to execute vSAN online Health Check

Products

VMware vCenter Server

Issue/Introduction

When executing vSAN health check

vSAN Cluster > Montor > vSAN > Skyline Health gives the error: Unable to query vSAN health information. Check vSphere Client logs for details.

vCenter /var/log/vmware/vsan-health/vmware-vsan-health-service.log reports below error :

YYYY-MM-DDTHH:MM:SS.111Z ERROR vsan-mgmt[238336] [VsanPhoneHomeSystemImpl::_ThreadMain opID=noOpId] Perform Online Health Check failure: vSAN has been disabled VMware vCenter Internet access.
Traceback (most recent call last):
File "bora/vsan/health/vpxd/pyMoVsan/VsanPhoneHomeSystemImpl.py", line 383, in _ThreadMain
File "bora/vsan/health/vpxd/pyMoVsan/VsanPhoneHomeSystemImpl.py", line 340, in _checkOnlineHealthSetting
Exception: com.vmware.vsan.health.msg.performonlinehealthcheck.vcnetworkerror

Environment

VMware vCenter Server 7.x
VMware vCenter Server 8.x

Cause

This issue occurs if the parameter enableinternetaccess under /etc/vmware-vsan-health/config.conf is set to false

Resolution

Note: Take offline snapshots of vCenter prior to proceeding. If this is an ELM configured vCenter take offline snapshots of all vCenter participating in ELM.

Log in to the vCenter Server Appliance through SSH.
Type shell and press Enter
Navigate to location,
```
cd /etc/vmware-vsan-health
```

Edit the config.conf file using vi editor ,

vi config.conf
Change the value of 'enableinternetaccess' to True.

Restart vmware-vsan-health service.

service-control --restart vmware-vsan-health

Login to vCenter UI and execute the vSAN Online Health Check now.