Table 30 Troubleshooting Discovery and Discovery Data Collection (continued)

Scenario

Description

What to do

 

 

 

 

There is a problem with

Try Discovery Data Collection

 

Discovery Data Collection from

again.

 

the host.

1.

 

If the steps provided do not

 

 

 

work, see Link Between a

 

 

Brocade Switch and a Host

 

 

Disappears from the Topology

 

 

on page 407.

 

The host appears managed,

 

 

but it is not connected to the

 

 

switch.

 

 

 

 

 

 

The switch has not been

Try discovering the switch

 

discovered.

again.

 

 

See Discovering Elements” on

 

 

page 113.

The element appears

 

1.

 

 

discovered, but a connected

 

 

switch does not appear.

 

 

 

 

 

When discovering a

An invalid user account was

Enter a valid user account that

Windows-based host, the

entered

has administrative privileges so

correct IP address is entered,

 

it can start WMI.

but the host does not appear in

 

 

the topology.

 

 

The following can be seen on

 

 

the host:

 

 

In Windows Event Manager

 

 

the WinMgmt.exe process

 

 

is not running. This process

 

 

starts WMI.*

 

 

In the Windows Event Log,

 

 

DCOM error messages are

 

 

shown.

 

 

 

 

 

*The CIM extension for Microsoft Windows enhances Windows Management Instrumentation (WMI) so that it can gather information from host bus adapters and make the information available to the management server.

406 Troubleshooting