Error: "Failed to connect to VMware Aria Operations after 30 tries" when deploying a Cloud Proxy

Products

• VCF Operations
• VMware Cloud Foundation

Issue/Introduction

• Running verbose diagnostic logging on the Cloud Proxy using cprc-cli -v -d all shows output similar to:

*** Connection analysis begin ...
...
INFO 906226 [ops@4413 threadId="139983735879488" threadName="MainThread"] [pretty - util - logPretty] - Connection FAILED: HTTPS ConnectionPool(host='<OPS_FQDN>', port=443): Max retries exceeded with url: /casa/security/ping (Caused by NewConnectionError('<urllib3.connection. HTTPSConnection object at 0x7f507e99fe10>: Failed to establish a new connection: [Errno -2] Name or service not known'))
...
*** Connection analysis end ...

• Custom CA certs not in use

• Defined DNS servers

Environment

Aria Ops / VCF Ops: 9.1

VCF: 9.1

Cause

The Cloud Proxy is unable to resolve the FQDN(s) of the VCF Ops nodes using the DNS server(s) specified during deployment.

Resolution

1. Verify that Forward (A) and Reverse (PTR) DNS records for all VCF Ops nodes are correctly configured on the DNS server(s) used by the Cloud Proxy.

2. Redeploy the Cloud Proxy OVA.