Tools

WHD console error: 452 4.3.1 Insufficient system resources

The Web Help Desk console generates error 452 when an email is sent from the console.

First published date

10/25/2018 3:04 PM

Last published date

9/22/2021 9:32 AM

Overview

When sending an email from the WHD console, the following error is displayed:

Error: 452. 4.3.1 Insufficient system resources

Product section

Web Help Desk

Cause

This issue occurs because the Exchange Server system is out of disk space.

The transport service in the Exchange Server monitors system resources (including disk space and RAM) on the Hub Transport and Edge Transport servers. When one of these servers is in an overloaded state, the server refuses connections from other systems—a condition known as back pressure. When the overload state is resolved, the server resumes connections with other systems.

Resolution

Create additional disk space on the Exchange Server system.

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