Submit a ticketCall us

AnnouncementsChange Is Inevitable

Get valuable help when it comes to tracking and monitoring changes. SolarWinds® Server Configuration Monitor (SCM) is designed to help you: detect, track, and receive alerts when changes occur, correlate system performance against configuration changes, compare server and application configuration against custom baselines, and verify application and system changes.

Learn more.

Home > Success Center > Network Performance Monitor (NPM) > NPM - Knowledgebase Articles > Value cannot be null. Parameter name: userName

Value cannot be null. Parameter name: userName

Updated November 22, 2016

Overview

When attempting to add a Windows Active Directory or Group, the following error occurs:
Value cannot be null.
Parameter name: userName

Environment

  • Orion Core Services 2016.1 and later
  • NPM 12.0 and later
  • SAM 6.2.4 and later

Cause 

There is an LDAP authentication specified and enabled. It fails due to an attempt to use the Local Network Service Account to attempt to authenticate into LDAP.

Resolution

Resolution 1

Specify the credentials under the Specify credentials to access Active Directory or Local Domain section.

 

Resolution 2

  1. Disable LDAP integration via: Settings > Advanced AD Settings.
  2. Add your user or group.
  3. Re-enable LDAP integration. 

This option will only work if the Orion server is joined to the Domain.

 

Last modified

Tags

Classifications

Public