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Duplicate ZENworks Agent GUID caused by enabling Microsoft Loopback Adapter

This document (7013331) is provided subject to the disclaimer at the end of this document.


Novell ZENworks Configuration Management 11.2 Registration


Multiple devices on the network have the Microsoft Loopback Adapter enabled
Two or more of these same devices may have duplicate serial numbers
ZENworks device reconciliation is set to reconcile only on MAC address in ZCC > Configuration > Device Managment > Registration > Reconcile Settings

Following is a screenshot of the Reconcile Settings:


1. Move the Microsoft Loopback Adapter down in the network stack:
   a) Navigate to Start > Control Panel > Network and Internet > Network and Sharing Center
   b) Click Change adapter settings on the left hand side
   c) Type Alt and then click Advanced > Advanced Settings...
   d) Under Connections, select the top connection
   e) Click the down arrow on the right hand side to move the connection down in the list
   f) Click OK


By default, the Microsoft Loopback Adapter gets added to the top of the network stack. Since this adapter does have an address, it is considered by ZENworks to be the primary network connection. This adapter always has the same MAC address, so this causes the devices to be duplicate in ZENworks.


Reported to Engineering


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  • Document ID:7013331
  • Creation Date:19-SEP-13
  • Modified Date:01-OCT-13
    • NovellZENworks Configuration Management

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