3Com DUA1550-0AAA02 manual Problems That May Be Encountered When Setting Up, Symptom Cause Remedy

94CHAPTER 5: PROBLEM SOLVING

Problems Related to This section details possible problems that you might experience when

Setting Up setting up and using 3Com Network Access Manager. Each problem is described by a symptom, an explanation of the cause of the problem and a suggestion on what to do to remedy the problem.

The problems are listed in two tables: Table 14 covers problems that you may experience when initially setting up 3Com Network Access Manager, Table 15 lists possible problems related to network access.

Table 14 Problems That May Be Encountered When Setting Up

Symptom	Cause	Remedy
Cannot find 3Com	The Administration User Interface	Check that the Network Administrator’s
Network Access	component has not been installed on the	PC meets the specifications in Table 5 and
Manager Admin on the	Network Administrator’s PC.	Table 6, in Chapter 2, install the
PC used by a Network		Administration User Interface component
Administrator.		on the PC.
3Com Network Access	Either:	Use the 3Com Network Access Manager
Manager does not	You do not have Administrator privileges or	Admin tool to access the Network
allow you to create		Administrator User Interface.
	are not using the 3Com Network Access
rules/ VLANs/QoS
	Manager Admin tool.	Ensure you have appropriate
Profiles/ EFW Policies.
	Or:	Administrator permissions.
When trying to create a
		Ensure the Active Directory component is
rule/ VLAN/ QoS Profile/	The Active Directory component for 3Com
EFW Policy the	Network Access Manager has not been	installed on one Active Directory server in
following message is	installed on an Active Directory server in	the domain.
displayed: “Unable to	the network domain.	If you have already installed the Active
create item. This may
	Or:	directory component on an Active
be because an item
		Directory server in the domain, then you
with this name already	Changes to the Active Directory schema
		may need to wait for the schema changes
exists or because of	have not replicated to all Active Directory
		to replicate to the other Active Directory
security permission”.	servers in the domain.
		servers in the domain.
The Network Access	You have not been granted read	Ask the network administrator who
tab, accessible by	permission for the rules which are not	created the rules in 3Com Network Access
right-clicking Users or	displayed.	Manager to grant you read permission for
Groups or Computers		the specific rules.
in the Tree pane and
selecting Properties,
does not display all
rules created in 3Com
Network Access
Manager