vCenter Upgrade fails through SDDC Manager with VxRail Manager due to compatibility checks

Products

• VMware SDDC Manager

Issue/Introduction

• The vCenter upgrade through the SDDC Manager fails with the following error:

Compatibility checks failed for Vcenter Upgrade at VCenterPatchUpdateState(virtualMachineName=name_of_the_vCenter, stage=VCENTER_UPGRADE_PRE_VALIDATION, vCenterSpec=com.vmware.evo.sddc.lcm.model.internal.upgrade.PrimitiveSpec@*******, isUpgradeStageCompleted=true) . Due to error: VxManager HTTP Request failed with invalid status code, error: [executeVxManagerHttpRequest] VxManager http Request /rest/vxm/v1/system failed with status code 401, error message {"message": "The provided vCenter credentials are not valid."} Upgrade and interop incompatible product pair details are provided below(if any) :[] Products and Versions that have no compatibility data include(if any) :[]

• You will also observe status code 401 UNAUTHORIZED error from the lcm logs of the SDDC Manager: 

From the /var/log/vmware/vcf/lcm/lcm.log:

2025-04-14T09:02:16.894+0300 INFO  [vcf_lcm,67fca4e8562c7bd718cd9bcc745bb21b,22c7] [c.v.e.s.l.s.impl.UpgradeServiceImpl,http-nio-127.0.0.1-7400-exec-10] Getting list of cluster IDs if the upgrade 82*************** is cluster level upgrade.
2025-04-14T09:02:17.706+0300 INFO  [vcf_lcm,0000000000000000,0000,upgradeId=82f545b7-b9f2-4d75-b992-a12469ffd126,resourceType=VCENTER,resourceId=06**********,bundleElementId=3eab1127-07de-4acc-a2fa-df3163f8be1a] [c.v.e.s.l.p.impl.vxm.VxManagerClient,Upgrade-1] [executeVxManagerHttpRequest] Got status code 401 UNAUTHORIZED from /rest/vxm/v1/system
2025-04-14T09:02:17.707+0300 ERROR [vcf_lcm,0000000000000000,0000,upgradeId=82f545b7-b9f2-4d75-b992-a12469ffd126,resourceType=VCENTER,resourceId=06**********,bundleElementId=3eab1127-07de-4acc-a2fa-df3163f8be1a] [c.v.e.s.l.p.impl.vxm.VxManagerClient,Upgrade-1] [executeVxManagerHttpRequest] Got unexpected status code 401 UNAUTHORIZED from /rest/vxm/v1/system response body : {"message": "The provided vCenter credentials are not valid."}
2025-04-14T09:02:17.708+0300 ERROR [vcf_lcm,0000000000000000,0000,upgradeId=82f545b7-b9f2-4d75-b992-a12469ffd126,resourceType=VCENTER,resourceId=06**********,bundleElementId=3eab1127-07de-4acc-a2fa-df3163f8be1a] [c.v.e.s.l.p.i.v.VcenterUpgradeCompatibilityPrimitiveHelper,Upgrade-1] Failed to calculate vcenter upgrade compatibility
java.lang.RuntimeException: VxManager HTTP Request failed with invalid status code, error: [executeVxManagerHttpRequest] VxManager http Request /rest/vxm/v1/system failed with status code 401, error message {"message": "The provided vCenter credentials are not valid."}
        at com.vmware.evo.sddc.lcm.primitive.impl.vxm.VxManagerClient.executeVxManagerHttpRequest(VxManagerClient.java:481)
        at com.vmware.evo.sddc.lcm.primitive.impl.vxm.VxManagerClient.getVxManagerVersion(VxManagerClient.java:134)
        at com.vmware.evo.sddc.lcm.primitive.util.CompatibilityVersionHelper.getVxManagerVersionsForCluster(CompatibilityVersionHelper.java:95)
        at com.vmware.evo.sddc.lcm.primitive.impl.vcenter.VcenterUpgradeCompatibilityHelper.getDistinctInteropCombinationForPostUpgradeInteropVerification(VcenterUpgradeCompatibilityHelper.java:166)

Environment

VMware SDDC Manager 5.2.x.

Cause

This can be due to insufficient permissions or a service account's password is expired in the VxRail Manager. 

Resolution

Please reach out to Dell VxRail support to resolve the issue.