Failure on Windows Application Forms Designer 3.1.4

[grindgod]

I have the Problem, when I try to design a form via the Windows application I get an error like:

"Unable to retrieve the supported Version number....
The HTTP request is unauthorised with client authentication scheme 'ntlm'."

We use latest Version of server-side-components and the latest version of Forms Designer 3.1.4. The Silverlight Plugin let me use it without this problem. We already did an IIS-Reset and we already had a weekend .

Is there any idea about that problem?

[Nikita Kurguzov]

Dear grindgod,
The issue is connected to authentication, what are your settings in the desktop version?

LoginDifferentAuth.png (16.29 KiB) Viewed 2018 times

Please, try to use different authentication methods and do not select Login as the current Windows user. Finally, if this doesn't work for your account, try a different login, preferably one with domain name.

[grindgod]

Hello Mr. Kurguzov,

thanks for your reply.
I've tried different users, different authentication methods, with and without domain name, different machines. Nothing was successful. Any other ideas?

cheerz

[Nikita Kurguzov]

Dear grindgod,
Can you tell us about the authentication settings for your SharePoint? Is it Forms authentication, Kerberos, something else?

[grindgod]

We use Kerberos for authentication. Before we bought the product, we tested the functionalities in our integration environment and of course we used the Forms Designer 3.1.4. There was no problem. After installing the license and so on in our productive SharePoint we got this problem. Both environments are configured the same.

[Nikita Kurguzov]

Dear grindgod,
The license installation definitely is not connected to it. Please, double check the configuration to make sure that it's absolutely the same, there is likely to be at least some difference causing it. If possible, try to disable NTLM, only as a test.

[grindgod]

Hey Mr. Kurguzov,

I'm sorry but we don't have the possibility to disable NTLM. What can we do to reconnect the license, or just connect it correctly?!

kind regards

[Nikita Kurguzov]

Dear grindgod,
No, what I mean by not connected to license - it's not related to it, it's only a problem of user authentication, not connected (related) to a license at all. I would recommend searching for the potential answers Online, there must be something with configuration that causes the error - we just can't be sure what exactly as we don't know all the details.

Here are some of the potential answers:
https://stackoverflow.com/questions/127 ... cheme-ntlm
https://stackoverflow.com/questions/137 ... ntlm-the-a

[ragesoft]

Hi there!

In the formdesinger config file, there is a entry for the endpoint connection:
<transport clientCredentialType="Ntlm" />

Changing this to (3 times):
<transport clientCredentialType="Windows" />

solved the problem!