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2 votes
1 answer
3k views

What is the DNS requirement to support Negotiate (Kerberos) authentication type?

We are using SP2013 on-premise. We need to switch a web application Windows Authentication from NTLM to Negotiate (Kerberos): May I know what is the DNS requirement to support Kerberos? In my test ...
Mark L's user avatar
  • 4,075
0 votes
1 answer
664 views

SharePoint 2013 Kerberos IE: 'Page Cannot be displayed' externally

I have a client with set up with Kerberos authentication. Inside their network it works beautifully. It's a 4 server farm: 2 WFEs behind a load balancer (kemp), 1 App/CA server, 1 Office Web services ...
Snowburnt's user avatar
  • 351
0 votes
2 answers
55 views

Keberos cannot access internal URLs

I've activated Kerberos on my environment and it seems to be working fine for accessing the website using it's dns name: http://myintranet.mycompany.com I cannot however access sites anymore using ...
Fox's user avatar
  • 2,676
6 votes
3 answers
3k views

SharePoint 2010 Query service authentication problem

I am struggling with calling search.asmx service from asp.net page. I've created proxy class using svcutil.exe and run request using following code: var binding = new BasicHttpBinding(); binding....
Sergei Sergeev's user avatar
1 vote
2 answers
4k views

Kerberos on Chrome, Safari or FireFox

recently enabled Kerberos on my SharePoint 2010 install. If I browse from IE, I see logins authenticate over Kerberos protocol. If I browse from any other browser (Chrome, Firefox, Safari..), NTLM ...
ewitkows's user avatar
  • 165
12 votes
2 answers
4k views

Identify Current Authentication Method Being Used

I am working on a solution that needs to act slightly differently if the incoming request is NTLM vs. Kerberos vs. ADFS, etc. Does anyone have an example of how to determine the incoming ...
John Chapman's user avatar
  • 11.9k
1 vote
2 answers
3k views

Connection to external data source using windows authentication (NTLM)

I'm trying to connect to an external SQL server DB programmatically from a SharePoint WebPart. The problem is that I'm not able to authenticate to the DB although I gave access to application pool ...
Mohammed Shokry's user avatar
2 votes
1 answer
2k views

Configure ADFS with Windows Authentication

I created an integration of an existing product that shows reports in web, comparable to Reporting Services. This product needs Windows Authentication or Kerberos/ asp.net impersonation to access ...
Holger Leichsenring's user avatar