The following error appears in web based protocol replay:

Error -27732: Internal Error – can’t get initial credentials for username/password

Wrong configuration of the required elements to make the script replay while using Kerberos authentication

Wrong username password:

1. In the script go to the web_set_user function
2. Verify that the username and password specified are correct

Wrong KDC IP:

1. Open the windows environment settings
2. Check the krb5.ini location specified in KRB5_COFIG
3. Open the krb5.ini in an editor
4. Check the KDC IP specified is as seen in wireshark recording of the application