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FAQ and Troubleshooting Guide for the CiscoWorks Wireless LAN Solution Engine
OL-8376-01
Chapter 1 FAQs and Troubleshooting
Sites FAQs and Troubleshooting
There are quite a few reasons why an interface might be removed from the scan. The WLSE
examines each interface separately; after that, if all interfaces have been removed, this error is
displayed.
Recommended Action Use the radio management verification tool to check on the status of the devices
that are displaying errors for AP radio scan. Right-click on each device and select Verify RM
Capability. The radio management verification tool displays problems and information about how
to fix the problem.
Symptom I've upgraded WLSE but Location Manager seems to be previous version.
Possible Cause You might not have closed the browser before relaunching Location Manager.
Recommended Action Close all browsers and Java Runtime instances, then relaunch Location
Manager. If the symptom persists, check to see if your cache is enabled for the Java Plug-in. If it is,
clear the cache from Java Plug-in Control Panel (for Windows, select Start > Settings > Control
Panel > Java Plug-in), then restart the browser and relaunch Location Manager.
If the problem still exists, clear the Java cache entries as shown in the following steps:
1. Log in to WLSE and select Sites > Location Manager, but do not launch Location Manager.
WLSE checks for the Java version and loads the necessary Java plug-in. After the Java plug-in
is loaded, a new icon appears indicating it is loaded.
2. Right-click on the Java icon and select Open Console. The Java console launches. Click on the
console and type the following commands, which are all single-character commands:
g
x
c
Leave the console open.
3. Clear the cache on your browser:
For Internet Explorer, select Tools > Internet Options > General > Settings. Select “Every
visit to the page” and click OK. Click on Delete Files, click OK on the pop-up, then click
OK.This clears all temporary internet files.
For Mozilla Firefox, select Tools > Options > Privacy > Cache, then click Clear.
For Netscape, select Edit > Preferences > Advanced > Cache. Click Clear Cache and select
“Every time I view the page.” Uncheck “Prefetch web pages ...”.
4. Restart your browser.
Symptom I've downgraded WLSE to older version, but when I launch Location Manager, it still seems to
be the newer version.
Recommended Action Close all browsers and Java Runtime instances. Launch the Java Plug-in
Control Panel (for Windows, select Start > Settings > Control Panel > Java Plug-in). Click on
Clear in Cache tab, then click Apply. Relaunch the web browser for WLSE and Location Manager.
If the problem still exists, clear the Java cache entries as shown in steps 1-4 in the previous
troubleshooting entry above.