Power BI · Uncategorized

Power BI, HTTP/2, Internet Explorer 11 And Older Versions Of Windows

A very quick performance tip: do you have users consuming Power BI reports with Internet Explorer 11 and an older Windows OS like Windows 8.1 or Windows 7? If so, their reports are likely to be slower because over the last few months some important performance optimisations were made in Power BI that rely on the HTTP/2 protocol, and while all modern browsers like Edge and Chrome have supported HTTP/2 for a long time now, Internet Explorer 11 only supports HTTP/2 on Windows 10. If you are using Internet Explorer 11 you can check whether HTTP/2 is enabled (and it should be by default) by going to Internet Options and the Advanced tab and seeing if the Use HTTP2 option is checked:

Internet Options