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94 CHAPTER 5: PROBLEM SOLVING
Problems Related to
Setting Up
This section details possible problems that you might experience when
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
Network Access
Manager Admin on the
PC used by a Network
Administrator.
The Administration User Interface
component has not been installed on the
Network Administrator’s PC.
Check that the Network Administrator’s
PC meets the specifications in Table 5 and
Table 6, in Chapter 2, install the
Administration User Interface component
on the PC.
3Com Network Access
Manager does not
allow you to create
rules/ VLANs/QoS
Profiles/ EFW Policies.
When trying to create a
rule/ VLAN/ QoS Profile/
EFW Policy the
following message is
displayed: “Unable to
create item. This may
be because an item
with this name already
exists or because of
security permission”.
Either:
You do not have Administrator privileges or
are not using the 3Com Network Access
Manager Admin tool.
Or:
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.
Use the 3Com Network Access Manager
Admin tool to access the Network
Administrator User Interface.
Ensure you have appropriate
Administrator permissions.
Ensure the Active Directory component 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.
The Network Access
tab, accessible by
right-clicking Users or
Groups or Computers
in the Tree pane and
selecting Properties,
does not display all
rules created in 3Com
Network Access
Manager
You have not been granted read
permission for the rules which are not
displayed.
Ask the network administrator who
created the rules in 3Com Network Access
Manager to grant you read permission for
the specific rules.