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SG 300 web admin interface does not display properly

Went to log into the web admin interface on my SG-300 today and I get this in both IE and Firefox:

I'm not able to login by typing user/password and just pressing enter. I've tried power-cycling the switch, and this didn't help, however, since the power cycle, the font-panel system LED has been blinking green. I seem to recall, though I can't locate the reference now, that this means the switch is running with factory settings, but that cannot be right because:

1. I had previously saved a new configuration on the switch, which it should be using now.

2. It is answering on the configured non-factory IP address -- just not rendering the web admin interface successfully.

I've had this unit for approximately a month. This is not the first issue I have had with this unit (see: and I'm experiencing some strange LAN speed issues since I installed it. Do I need to RMA this thing?


SG 300 web admin interface does not display properly

Hi Lamont

There was a issue and work around for a issue with IE in the release notes, it may be relevant to you.

Problem: Some WEB GUI pages require full version compatibility of JRE, Browser and JRE-Browser applets. For XML compatibility reasons, MSXML DLL Version 6 is required for IE browser users.

Solution: For download and installation please refer the following link:


This may or may not be relevant to you.  I would like to think that you are using ?

If you really are experiencing some weird problems , why not get the product verified by the Good folk at the Small Business Support Center.

Regards Dave

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