Can't create forms due to error

[ibarrandres]

Hello,

When I try to connect to my on-prem environment I get this error:

sign in failed: the server commited a protocol violation. section=Responseheader detail=CR must be followed by LF

[AlexZver]

Hi,

Did this error appear before?
Please try to turn on the following property in web.config:

https://social.msdn.microsoft.com/Forum ... rum=vstest