Adding host to a workload domain cluster fails in SDDC manager with error "Failed to get network info. Http failure reposnse"

Products

• VMware SDDC Manager

Issue/Introduction

Add host to a workload domain cluster fails in SDDC manager

 

Environment

VCF

Cause

domainmanager log indicates a connectivity issue to NSX-T cluster

 

> YYYY-MM-DDThh:mm:ss.295+0000 ERROR [vcf_dm,66a9da3cbddf5766ce48e703582387ea,f682] [c.v.v.c.n.s.c.c.ComplexHelpers,dm-exec-19]  Exception occurred during NSX API invocation
> java.util.concurrent.ExecutionException: com.vmware.vapi.client.exception.ConnectionException: No route to host
>         at java.base/java.util.concurrent.CompletableFuture.reportGet(CompletableFuture.java:396)
> 
> YYYY-MM-DDThh:mm:ss.296+0000 ERROR [vcf_dm,66a9da3cbddf5766ce48e703582387ea,f682] [c.v.v.c.f.p.nsxt.helpers.NsxtUtils,dm-exec-19]  Error fetching NSX cluster status
> com.vmware.vapi.client.exception.ConnectionException: No route to host
> 
> YYYY-MM-DDThh:mm:ss.296+0000 ERROR [vcf_dm,66a9da3cbddf5766ce48e703582387ea,f682] [c.v.e.s.c.s.ClusterNetworkConfigFetcher,dm-exec-19]  NSX-T cluster not reachable as its stability status is false
> YYYY-MM-DDThh:mm:ss.292+0000 ERROR [vcf_dm,66a9da3cd86905cc5ba63fb7dc269686,2eb1] [c.v.e.s.c.s.ClusterNetworkConfigQueryHelper,dm-exec-5]  Failed to retrieve network configuration from vCenter and NSX-T for cluster, due to sddc service exception
> com.vmware.evo.sddc.common.services.error.SddcManagerServicesIsException: NSX Cluster <FQDN> not reachable

Resolution

 

• Review the connectivity between the SDDC manager and NSX-T manager
• Make sure the DNS is resolving the correct IP