Errors when trying to create a new VM on linked vCenter server.
Article ID: 422792
Updated On:
Products
Issue/Introduction
Workflow to create a new VM on a linked vCenter fails at the Customize Hardware step with "Error Loading Data".
Environment
vCenter 8.0 U3d
Cause
Authentication failure:
[2025-12-17T21:50:29.058Z] [ERROR] agw-httpclient-worker-1 70932045 132252 201903 ApiGwApiProviderForwarder [q-921331:h5ui-getProperties:urn:vmomi:ClusterComputeResource:domain-c125:f43b5e1d-a688-4f76-a9e7-25f1ec21dc9d:1450204651:01] Authentication failed. Will not forward com.vmware.cis.data.provider.resource_model.query to http://localhost:1080/external-vecs/http2/xxxvcenterserver1.abccorp.com/443/wcp : com.vm
ware.vcenter.apigw.security.AuthenticationException: Failed to log into [uri=http://localhost:1080/external-vecs/http2/xxxvcenterserver1.abccorp.com/443/wcp, sessionMgr=SessionManagerInfo [_sessionMgrSvcId=com.vmware.cis.session, _loginOpId=create, _logoutOpId=delete], ssoDomain=vsphere.local(c756ce1e-02d2-4891-9ffb-923bf2ca021d)]: com.vmware.vapi.std.errors.unauthenticated => {data=<unset>, error_type=UNAUTHENTICATE
D, messages=[com.vmware.vapi.std.localizable_message => {args=[], default_message=Unable to authenticate user, localized=<unset>, id=vapi.security.authentication.invalid, params=<unset>}]}
[2025-12-17T21:50:29.058Z] [ERROR] agw-httpclient-worker-1 70932045 132252 201903 ApiGwApiProvider$AsyncHandleSandbox [q-921331:h5ui-getProperties:urn:vmomi:ClusterComputeResource:domain-c125:f43b5e1d-a688-4f76-a9e7-25f1ec21dc9d:1450204651:01] Failed to forward com.vmware.cis.data.provider.resource_model.query to http://localhost:1080/external-vecs/http2/xxxvcenterserver1.abccorp.com/443/wcp : com.vmware.vcenter
.apigw.security.AuthenticationException: Failed to log into [uri=http://localhost:1080/external-vecs/http2/xxxvcenterserver1.abccorp.com/443/wcp, sessionMgr=SessionManagerInfo [_sessionMgrSvcId=com.vmware.cis.session, _loginOpId=create, _logoutOpId=delete], ssoDomain=vsphere.local(c756ce1e-02d2-4891-9ffb-923bf2ca021d)]: com.vmware.vapi.std.errors.unauthenticated => {data=<unset>, error_type=UNAUTHENTICATED, messages=
[com.vmware.vapi.std.localizable_message => {args=[], default_message=Unable to authenticate user, localized=<unset>, id=vapi.security.authentication.invalid, params=<unset>}]}
[2025-12-17T21:50:29.074Z] [WARN ] serenity-thread-pool-21115 70932046 132252 201903 ApiGwApiProvider [] Property 'routing-uri' is specified with the value of "https://xxxvcenterserver1.abccorp.com:443/wcp", but sidecar URIs should be used
[2025-12-17T21:50:29.075Z] [INFO ] serenity-thread-pool-21115 70932046 132252 201903 VapiServiceAuthenticator [q-921333:01] Logging into http://localhost:1080/external-vecs/http2/xxxvcenterserver1.abccorp.com/443/wcp in domain vsphere.local(c756ce1e-02d2-4891-9ffb-923bf2ca021d) with token ID _910b6b09-3357-4fee-a3a1-510ab549ffbd (opId=apigw:d56487f0-0f0d-4375-bb58-c29bf84d6a0f:201903:15894)
[2025-12-17T21:50:29.152Z] [ERROR] agw-httpclient-worker-1 70932046 132252 201903 VapiServiceAuthenticator$LoginAsyncHandle [q-921333:01] Erroneous vAPI login result com.vmware.vcenter.apigw.security.AuthenticationException: Failed to log into [uri=http://localhost:1080/external-vecs/http2/xxxvcenterserver1.abccorp.com/443/wcp, sessionMgr=SessionManagerInfo [_sessionMgrSvcId=com.vmware.cis.session, _loginOpId=cr
eate, _logoutOpId=delete], ssoDomain=vsphere.local(c756ce1e-02d2-4891-9ffb-923bf2ca021d)]: com.vmware.vapi.std.errors.unauthenticated => {data=<unset>, error_type=UNAUTHENTICATED, messages=[com.vmware.vapi.std.localizable_message => {args=[], default_message=Unable to authenticate user, localized=<unset>, id=vapi.security.authentication.invalid, params=<unset>}]}
Resolution
Uptime for both vCenters was over 300 days. Rebooted both vCenters, which resolved the issue.
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