Maximum Retry Limit Reached - Tunnel failed, got: 503

Meaning

The system repeatedly attempted to connect, but each attempt failed and resulted in a "503 Service Unavailable." After several failed attempts, the process stopped.

Possible Causes

The target service was unavailable for an extended period.
A gateway, tunnel, or proxy component was down.
There was a temporary infrastructure or networking outage.
The service was overloaded.

Recommended Resolution

Contact Textura Support, your ERP administrator, or your ERP consultants to check service availability, gateway and proxy health, and any recent outages.

Next Topic: Request Failed with 502 Status / Error Code: 502