3Com DUA1550-0AAA02 manual Symptom Cause

Problems Related to Setting Up 95

Table 14 Problems That May Be Encountered When Setting Up (continued)

Symptom Cause Remedy

Clicking on Rules in the Tree pane displays an empty Display pane.

Note: After correct installation the Default Rule will always be shown in the Display pane

Either:

The Active Directory component for 3Com Network Access Manager has not been installed on an Active Directory server in the network domain.

Or:

Changes to the Active Directory schema have not replicated to all Active Directory servers in the domain.

Ensure the Active Directory component for 3Com Network Access Manager is installed on one Active Directory server in the domain.

If you have already installed the Active directory component on an Active Directory server in the domain, then you may need to wait for the schema changes to replicate to the other Active Directory servers in the domain, this may take some time. Alternatively, you can ‘force’ replication between Active Directory servers, consult the Microsoft documentation for further information.

Using the Network Administrator user interface, right-clicking Users or Groups or Computers in the Tree pane and selecting Properties does not display a Network Access tab.

The Current Rule column in the Details pane for Users, Group or Computers, shows “Not specified” for all entries

The Active Directory component for 3Com Network Access Manager has either not been installed on an Active Directory server in the network domain, or else has not yet replicated to all of the Active Directory servers in the domain

If you have not installed the Active Directory component for 3Com Network Access Manager, then install the component on one Active Directory server in the domain. The schema changes made by the component will be replicated to all of the Active Directory servers in the domain.

If you have already installed the Active directory component on an Active Directory server in the domain, then you may need to wait for the schema changes to replicate to the other Active Directory servers in the domain. Alternatively, you can ‘force’ replication between Active Directory servers, consult the Microsoft documentation for further information.

"Computer-name = <unknown>” is logged in the 3Com Network Access Manager event log following an authentication attempt from this computer.

This is probably due to the computer’s MAC address not having been entered into 3Com Network Access Manager.

Follow the steps in “Entering MAC Addresses For A Computer” in Chapter 3.