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Home > Success Center > Network Performance Monitor (NPM) > NPM - Knowledgebase Articles > Insufficient system storage. The server response was: 4.3.1 Insufficient system resources

Insufficient system storage. The server response was: 4.3.1 Insufficient system resources

UPDATED April 20, 2017

Overview

The Exchange Server is not responding and the following errors are displayed:

2017-04-11 15:53:30,086 [110] ERROR AlertingLogger - (null)  Sending the email from noreply@solarwinds.com to xxxxxxxx@xxxxxx.xxx.xx,xxxxxx@xxxxxxx.xxx.xx,xxxxxxx@xxxxxx.xxx.xx,xxxxxxx@xxxxxx.xxx.xx with subject Reset: Memory usage on yyyyyyyyy goes down. using SMTP Server xxx.yyy.www.zzz failed. Insufficient system storage. The server response was: 4.3.1 Insufficient system resources

System.Net.Mail.SmtpException: Insufficient system storage. The server response was: 4.3.1 Insufficient system resources

or

2017-04-11 15:48:38,631 [119] ERROR AlertingLogger - (null)  Action [Action: ID: 200, ActionType: Email, Title: Send an Email/Page (Reset :Alert ${N=Alerting;M=AlertName} ), Description: To: xxxxxx@xxxxxxx.xxx.xx,xxxxx@xxxxxx.xxx.xx,xxxxxx@xxxxxx.xxx.xx,xxxxx@xxxxxx.xxx.xx <br/>From: noreply@solarwinds.com<br/>Subject: Reset :Alert ${N=Alerting;M=AlertName}, Enabled: True, Order: 2 , Context: SolarWinds.Orion.Core.Models.Actions.Contexts.AlertingActionContext, EnviromentType: Alerting, ExecutionMode: Reset, EntityType: Orion.Routing.Neighbors, EntityUri: swis://BOJ-SWINDS.bojdomain.local/Or...eighborID=5946, AlertContext: AlertName: Neighbor is down, CreatedBy: , AlertActiveId: 59459, AlertObjectId: 12025] execution has failed.

System.Net.Mail.SmtpException: Insufficient system storage. The server response was: 4.3.1 Insufficient system resources

Environment

All NPM versions

Cause 

The error is caused when 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. Once this is resolved, the server resumes connections with other systems. 

Resolution

Create an additional disk space on the Exchange Server system.

 

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