SharePoint Online - Bad Request - Header Field Too Long

Senior Member

Hi All,

 

Me and our users are getting this error frequently: 

 

Bad Request - Header Field Too Long

 HTTP Error 400. A request header field is too long.

 

There is a workaround to fix this by clearing browser cookies, but we cannot consider this as permanant solution. We also created a ticket and the engineer told as to use the workaround.

 

Anyone fixed this before? Is MS planning to fix this problem?

 

Thanks

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