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Can't get to PRTG web UI

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I'm having a strange problem with PRTG. I can connect via the Windows admin client, and the iPhone app, but not the Web UI, either on the iPhone or a desktop browser.

I log in successfully, but then see only a spinning gray circle.

Where do I start looking for a server configuration problem?

spinner system-administration web-server

Created on Nov 27, 2014 10:55:20 PM by  PetesGuide (1) 1



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Hello,

Thank you very much for your KB-Request. Can you please send a screenshot showing the issue in the full browser window to support@paessler.com (with a reference to this KB-Thread)? Thank you!

best regards.

Created on Nov 28, 2014 9:08:27 AM by  Torsten Lindner [Paessler Support]



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Will do. But I just realized something.

I'm running on windows server 2003 and ie 6 (for compatibility with a few old network devices without firmware updates for modern browsers).

Are there any components installed by later versions of ie that the AJAX UI needs?

Created on Nov 28, 2014 9:16:34 PM by  PetesGuide (1) 1



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The Webinterface of PRTG should still be accessible in that scenario with Firefox or Chrome. IE6 won't do.

Created on Dec 1, 2014 8:45:14 AM by  Torsten Lindner [Paessler Support]



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Hi, I am experiencing the same issue on PRTG Network Monitor 19.2.49.2018 x64 when opening with Chrome 74 (I am not sure about older Chrome versions). When opening some pages on PRTG web interface i.e. Notification Templates, I briefly see the configuration and then the grey spinner appears and won't go away. This does not happen on Firefox 66.

Created on May 8, 2019 9:14:51 AM by  nedimf (0)



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Hi nedimf,

Thank you for your post.

Please open the PRTG Web Interface in an "incognito window" and check if the issue occurs.
Thank you in advance!

Best Regards,
Moritz Heller
Paessler Support Team

Created on May 8, 2019 1:55:11 PM by  Moritz Heller [Paessler Support]



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Gramerly extension add on was the issue for me. Disabled it and PRTG monitors load in correctly

Created on May 30, 2019 12:46:14 PM by  kollchris77 (0)



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I have noticed the same behavior with the 'Wappalyzer' extension in Chrome.

Created on Jun 27, 2019 5:59:51 AM by  Wim Van Haver (0) 1



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Hi Wim Van Haver,

Thank you for the post.

What error do you experience if you have enabled "Wappalyzer" and are using the PRTG Web Interface?

Thank you in advance!

Best Regards,
Moritz Heller
Paessler Support Team

Created on Jun 27, 2019 11:22:42 AM by  Moritz Heller [Paessler Support]



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