[Solved] http error 400. the size of the request headers is too long. sharepoint online

This SharePoint Online tutorial explains how to solve the error, http error 400. the size of the request headers is too long. sharepoint online. The error comes on SharePoint Online Office 365 site.

While browsing SharePoint Online sites in Google chrome it gave the error as http error 400. the size of the request headers is too long. When I tried to open in Internet Explorer, the SharePoint sites were opening fine. The error looks like below:

http error 400. the size of the request headers is too long sharepoint
http error 400. the size of the request headers is too long sharepoint

http error 400. the size of the request headers is too long. SharePoint Online

To solve the issue you need to clear Google chrome browser cache.

In Chrome click on : -> More Tools -> Clear browsing data like below:

http error 400. the size of the request headers is too long chrome
http error 400. the size of the request headers is too long chrome

Then click on Clear Data to clear Google chrome cache.

http error 400. the size of the request headers is too long. office 365
http error 400. the size of the request headers is too long. office 365

Once you clear the Cache, you will be able to open your SharePoint Online site.

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I hope this will be helpful to resolve the error: http error 400. the size of the request headers is too long SharePoint.

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