NSX could not fetch Licenses from License Hub

Products

• VMware vDefend Firewall
• VMware vDefend Firewall with Advanced Threat Prevention

Issue/Introduction

Licenses could not be fetched from License Hub.

Environment

NSX version 9.1.0.0 and above

Cause

NSX is not able to reach out to the License Hub to fetch the latest licenses.

For more details, refer to the NSX Manager log file: /var/log/proton/nsxapi.log

Sample error message:

 

2026-03-06T20:00:05.696Z ERROR NSX 9786 [nsx@4413 comp="nsx-manager" errorCode="MP1" level="ERROR" logger="TaskHelper" msgID="SECURITY" subcomp="manager" threadName="task-scheduler-6"] Failed to execute action LICENSE_POLLING.\norg.springframework.web.client.HttpServerErrorException$ServiceUnavailable: 503 Service Unavailable on GET request for "https://<IP or FQDN>/licensing/endpoints/c4069551-####-####-####-########/licenses": "upstream connect error or disconnect/reset before headers. reset reason: connection timeout”\n

.

.

.

.
2026-03-06T20:00:05.696Z INFO NSX 9786 [nsx@4413 comp="nsx-manager" level="INFO" logger="EndpointAlarmServiceImpl" msgID="POLICY" subcomp="manager" threadName="task-scheduler-6"] Generating an alarm for license polling failure.

Resolution

Review and restore the connectivity between NSX and License Hub.

Additional Information

This may affect the operations like:

• Newly assigned licenses to NSX will not be available on NSX
• May restrict the access to the licensed features
  
  

The connectivity status detail between NSX and License Hub is also available on License Hub.