vSAN Data Provider has failed with error 'error.query.coreApiMismatch: Failed to convert the QuerySpec to internal representation. Could not qualify property: 'isVsanPMemEnabled'

Products

• VMware vSAN

Issue/Introduction

Symptoms:

• vSAN plug-in missing in vSphere web client
• The following error is noticed in the vSAN Cluster.  

    error.query.coreApiMismatch: Failed to convert the QuerySpec to internal representation. Could not qualify property: 'isVsanPMemEnabled'. It is possible that the property is misspelled or a connection to a certain Data Provider has failed. Please check the logs for other errors.

 

Environment

VMware vSAN 8.0.x
VMware vSAN 7.0.x

Cause

Running Lookup Service Doctor (lsdoctor) on the vCenter server indicates the vCenter certificate has expired. 

Example : 

root@testvc [ /tmp/lsdoctor-240201 ]# python lsdoctor.py -l
    ATTENTION:  You are running a reporting function.  This doesn't make any changes to your environment.
    You can find the report and logs here: /var/log/vmware/lsdoctor
2025-01-13T07:40:31 INFO main: You are reporting on problems found across the SSO domain in the lookup service.  This doesn't make changes.
2025-01-13T07:40:32 INFO live_checkCerts: Checking services for trust mismatches...
2025-01-13T07:40:32 WARNING live_checkCerts: Expired certificate found for node testvc.test.com!
2025-01-13T07:40:32 INFO generateReport: Listing lookup service problems found in SSO domain
2025-01-13T07:40:32 ERROR generateReport: default-first-site\testvc.test.com (VC 7.0 or CGW) found Certificate(s) Expired: Regenerate the MACHINE_SSL_CERT.  If Legacy Endpoints, check STS_INTERNAL_SSL_CERT.

Refer KB # 320837 on how to use the 'lsdoctor' Tool

Resolution

The issue was resolved once the vCenter Certificate is fixed.