In HAR file check if the httpVersion is missing. my service work fine when running in browser and in postman. Episode about a group who book passage on a space ship controlled by an AI, who turns out to be a human who can't leave his ship? Recently, I was trying to check the Alexa rank of a website. Open Windows Settings Through the Quick Access Menu, Uninstall the latest Windows Update on Your System. If your router has a built-in filtering mechanism to safeguard your network from threats, then that may break the communication between your device and the problematic website (especially, if the error gets cleared on another network). You deserve a better browser! Here, updating the problematic browser to the latest release may solve the problem. In this context, trying another browser (which is a bit lenient on the standards) may solve the problem. I'm doing some big file (10GB+) uploading so what I did is slicing the file to some 3MB chunksand then upload them. The err_http2_protocol_error occurs for various reasons while using Ng, and its one of the most annoying errors that appear all of a sudden either on your browsers such as Chrome, Firefox, etc. Which was the first Sci-Fi story to predict obnoxious "robo calls"? The HTTP2 protocol error is also reported on some other applications or games (like Discord). After weve investigated this issue thoroughly, we realized that there are actually multiple causes that might be responsible for the apparition of the ERR_HTTP2_INADEQUATE_TRANSPORT_SECURITY error. The ping utility is, in essence, a diagnostic tool. If the same kind of issue (ERR_HTTP2_INADEQUATE_TRANSPORT_SECURITY error) is still occurring, move down to the next potential fix below. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Follow the instructions below to create a .REG file capable of disabling HTTP/2 on a Windows Server 2016 installation: Note: If you decide to enable HTTP/2 at a later time, return to the location of these two registry keys and change their value to 1 instead of 0. Hit Ctrl + C to close the connection, and the ping statistics will appear. Actual Result (gifs and screenshots are welcome! Nginx -- static file serving confusion with root & alias, Using cURL to upload POST data with files, Django-Gunicorn-Nginx deployement doesn't get past Nginx, How to configure nginx, gunicorn to run 2 django servers with different domain names. Chrome already updates itself automatically, but theres manual option as . If you cant find the log, please contact your host. FIX: Steps to fix a corrupted pst or ost outlook data file, FIX: Steps to Fix Error ERR_FILE_NOT_FOUND, FIX: Steps to Fix Winload.EFI Error / 0xc0000001, Then, in the resulting window, make sure the Chrome browser is. The only action you have to make is disabling the protocol shown in the guide below. What is the symbol (which looks similar to an equals sign) called? ERR_HTTP2_PING_FAILED This site can't be reached - YouTube In such a case, uninstalling the conflicting OS update on your device may solve the problem. If you find yourself in this particular scenario, you have two ways forward: Disable the Weak Cipher Suites; Disable HTTP/2 on Windows Server; Regardless of the route you need to take, we've created a series of sub guides that will walk you through both potential scenarios. 2. I changed timeout setting for this api in Nginx to 99999, it will not give me 504 error (meaning nginx didn't cut the connection because of timeout) but the maximum time for me to upload a slice is 8mins. net::ERR_HTTP2_PROTOCOL_ERROR 200 with .NetCore in HTTPS Ignore the Careful, these experiments may bite warning. In this context, updating the OS of your device to the latest build may solve the problem.