Microsoft sites and a few others will fail to load, show a 'Cant reach this page sign'. I have to refresh it a few times and then it will load, along with other tabs with Microsoft sites open, but only for a few seconds. This isn't happening in Firefox or Spartan edge, does anyone know why its happening?

Hey everyone! Thanks so much for bringing this up. This is something we are aware of. I have no news to share about it right now, but once I do I will post back here to follow up. 🙂 Missy Quarry (she/her/hers)Community Manager - Microsoft Edge

braddn HotCakeX -- The issue with LogMeIn and MicroCenter.com is a known problem, a bug for which is filed upstream: https://bugs.chromium.org/p/chromium/issues/detail?id=1028602. You can workaround the issue by closing all instances and restarting the browser: Start > Run (or Win+R) msedge.exe --disable-features=PostQuantumCECPQ2 www.microcenter.com I would be very interested to learn whether this workaround also fixes the "Dell SonicWall firewall admin website" (which I assume is not on a public URL).(As to "why Edge fails and Chrome doesn't?"-- Chrome Beta and Dev and Canary will fail. Chrome Stable does not yet have the change that the site cannot handle.) cjc2112 : I would also be interested in learning whether this workaround has any impact on your scenarios. If so, it's likely that your network administrator is using some sort of HTTPS filtering software that is failing to handle the larger handshake sent by the PostQuantum experiment.

cjc2112 - The PostQuantum experiment mentioned in this thread was disabled in Chromium last week, and was disabled in Edge Canary starting yesterday (81.0.394.0). Microcenter, LogMeIn and other sites which were not compatible with the experiment again load correctly. Microsoft websites are compatible with the PostQuantum experiment; if you find that toggling that command line flag has an impact, it suggests that your ISP/network is not compatible with large TLS ClientHellos, which usually means that they're performing some form of content inspection.

Hi,You're using the Canary?Try with extensions off: edge://extensions/

cjc2112 I wonder if this is the same iFrame issue I'm dealing with. That's the same message we get trying to access LogMeIn from Edge Chromium.

Sites loading unreliable | Microsoft Community Hub

MissyQ
Microsoft
Dec 20, 2019
Hey everyone! Thanks so much for bringing this up. This is something we are aware of. I have no news to share about it right now, but once I do I will post back here to follow up. 🙂

Missy Quarry (she/her/hers)
Community Manager - Microsoft Edge
- MissyQ
  Microsoft
  Jan 07, 2020
  cjc2112 braddn Hey, guys! I wanted to follow up here and find out if you can get me specific website links for the websites you receive this error on. One we know of is microcenter.com, and we know of the complaints around LogMeIn which requires you to have logged in to the website. If I could get all URLs for where you see this, or have seen this, it will be of great assistance. More information on the Dell SonicWall access would be great, too!
  
  I really appreciate any help you both can provide!
  
  Missy Quarry (she/her/hers)
  Community Manager - Microsoft Edge
  - cjc2112
    Bronze Contributor
    Jan 08, 2020
    MissyQ techcommunity.microsoft.com. I'll try to get some error info tomorrow at school.
braddn
Copper Contributor
Dec 18, 2019
cjc2112 I wonder if this is the same iFrame issue I'm dealing with. That's the same message we get trying to access LogMeIn from Edge Chromium.
- cjc2112
  Bronze Contributor
  Dec 19, 2019
  braddn I don't know, the site is blocked on my wifi, so I can't tell if it is.
- Drew1903
  Silver Contributor
  Dec 19, 2019
  braddn @cjc2112
  
  Thought I would give it a try, see if result matched... it did not. Was done in both Dev & Canary.
  
  Cheers,
  Drew
  - HotCakeX
    MVP
    Dec 19, 2019
    Try to Log in
HotCakeX
MVP
Dec 18, 2019
Hi,
You're using the Canary?
Try with extensions off: edge://extensions/
- cjc2112
  Bronze Contributor
  Dec 19, 2019
  HotCakeX All extensions off, still happening, but (forgot to mention earlier) it only happens when connected to the school wifi.
  - HotCakeX
    MVP
    Dec 19, 2019
    cjc2112
    cjc2112 wrote:
    HotCakeX All extensions off, still happening, but (forgot to mention earlier) it only happens when connected to the school wifi.
    Well there you have it, you already know the answer 😉
    Use a VPN (could be even an extension) or proxy (lots of free ones)
    
    UWP Edge (Classic Edge) does not use proxy configurations so whatever your school is using to block connections, it might not be applying to the Edge classic.
    
    Firefox supports its own proxy settings and can easily ignore system proxy configurations

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