ViewStation EX, ViewStation FX Administrator's Guide VS4000
Chapter 7 - Diagnostics and General Troubleshooting
© Polycom, Inc. 7-23
Web browser does 
not allow showing 
PowerPoint 
presentations from 
the PC to the system.
All Wrong version of Web 
browser.
Use Internet Explorer 5.5 or later. 
Internet Explorer must have ActiveX 
enabled. 
Cannot connect to 
the PC from the 
system for 
presentation. The PC 
name is there but the 
PC presentation 
cannot be accessed 
when the slide button 
is pressed.
All Incorrect password. Enter the correct password that was 
entered on the PC.
There is a firewall between the 
system and the PC.
Consult your IT manager.
Too many presenters are 
logged in. The system allows a 
maximum of eight presenters 
or PCs to be logged in at one 
time.
Ask some of the other presenters 
disconnect.
The far site cannot 
view slides properly; 
they appear 
momentarily, but do 
not remain 
on-screen.
All The far site does not support 
Annex D high-resolution 
graphics.
Advise the far site participants that their 
system does not support this feature, 
and continue the call without 
presenting slides.
The snapshot feature 
is not working 
properly.
All The selected camera is not 
available.
Select a camera that is in use.
Snapshots and 
presentations cannot 
be viewed, though 
the PC has access to 
the main Web page 
of the system.
All Too many viewers logged in. 
The system supports up to 30 
viewers via the Web browser 
in a call.
Ask some of the viewers disconnect, or 
change the slide-viewing password on 
the Security screen to allow only 
authorized viewers.
Cannot view 
presentation or 
snapshots from the 
web.
All The security level is set to 
“High” on the Web browser.
Lower the security level on the browser 
to “Medium” or “None.”
Wrong version of Web 
browser.
Use Internet Explorer 5.5 or later.
Incorrect viewing password. To check the slide and snapshot 
viewing password and other 
information about your presentation, 
press the INFO button on the remote 
control during a presentation. The 
viewing password may be changed on 
the Security setup screen.
The monitor 
displays an error 
icon during an 
ISDN call.
All The system has received 
more than the acceptable 
number of CRC errors or FEC 
errors within one second.
Retry the call if the video or audio 
quality becomes unacceptable to the 
call participants.
Symptom System Cause Solution










