...

The configuration should match the following details:

(where xxxx is the instance number)

...

1. Sign in to your Lexzur instance Lexzur.
2. Go to the Settings → Single Sign On →Setup .
3. Select Other 
4. Upload Metadata File (downloaded before from the IdP).
5. Click Save

Image Added

To login to lexzur, make sure that the email addresses are common between the two systems

...