The server committed a protocol violation. Section=ResponseHeader Detail=CR must be followed by (4272642)

When connected at the farm level, site collections are shown with the following error message:

The server committed a protocol violation. Section=ResponseHeader Detail=CR must be followed by.

1. Open IIS Manager, then expand the sever > Sites.
2. Select the web application (WAP), then double-click on HTTP Response Headers under IIS.

   

3. Remove any entry that appears to be different. For example, Strick-Transport-Security and X-XSS Protection (with a value of 1;mode=block).

   

4. Perform an IISRESET, then refresh the connection in the Content Matrix console.