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Bad Request Request too long HTTP Error 400. The size of the request headers is too long. RRS feed

  • Question

  • Help! I logged myself out of admin. For some reason I can access multiple apps in my Microsoft 365 F3 online portal (OWA?) but get Bad Request Request too long HTTP Error 400. The size of the request headers is too long. when trying to access Admin, onedrive, microsoft exchange and outlook. Is there a way of resetting my profile? I have tried changing my password multiple times and that did not help.
    • Edited by Tanya1984 Tuesday, July 28, 2020 12:52 AM
    Tuesday, July 28, 2020 12:48 AM

Answers