Issue
When you try to sign in to Tableau Server that is configured for Kerberos authentication, the following error might occur:Tableau Server could not authenticate you automatically. Sign in using your Tableau Server credentials.
The following error might also occur in a network trace or browser console:
Bad Request (HTTP 400)
Your browser sent a request that this server could not understand.
Size of a request header field exceeds server limit.
Authorization
Your browser sent a request that this server could not understand.
Size of a request header field exceeds server limit.
Authorization