Hi Clay,
Thanks for your interest in Syncfusion Products.
Please refer some of the possible ways in which the authentication issue (401 error) raised with its solutions below:
1) When there is an binding mismatch between the web.config file custom binding endpoint address and the application EndPointAddress.
Please refer the following link:
http://stackoverflow.com/questions/6450389/getting-http-401-unauthorized-error-while-accessing-wcf-service-through-code2) When your remote WCF service configuration does not appear to be in sync with your IIS authentication setup.
Please have a look at the below link for the above issue:
http://developers.de/blogs/damir_dobric/archive/2009/07/06/wcf-service-the-remote-server-returned-an-error-401-unauthorized.aspxPlease refer other links for the 401 authentication issue:
http://aadhoc.blogspot.in/2010/01/wcf-service-401-intermittent-error.htmlKindly open an incident to gather more information relevant to this. Incident can be opened through Direct-Trac Developer Support System (<
https://www.syncfusion.com/account/login?ReturnUrl=%2fsupport%2fdirecttrac%2fincidents>), were you can take advantage of the expertise of a dedicated support engineer and a guaranteed response time. Hope you will take advantage of this system as well. If you have already reported, please ignore this.
Thanks,
R.Maheswari.