Is it strange to access SharePoint Site with HTTPS/ CERT

Question

Hi there,

I have two SharePoint 2019 On Premise Sites (1. Team Site: https://xxx.xxx.xxx; 2. Personal Site: https://yyy.yyy.yyy).

I access two sites by using CSOM sample code from "https://learn.microsoft.com/en-us/archive/blogs/sridhara/working-with-sharepoint-2010-client-object-model-on-an-ssl-enabled-site". It turns out that something weird.

1. Team Site: Work Well
2. Personal Site: 401 (Unauthorized)

Does anyone have any idea on it? Thanks

Answer 1

Hi @Will ,

Per my test, I could not reproduce your issue on my end. I could access mysite normally. My teamsite and Personal site are under same web application.

You could try to set up the crendentials by below code, check if it works:

context.Credentials = new NetworkCredential("contoso\\michael", "password");  

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Answer 2

Hi Michael,

Thanks for your reply. To be honest, I also used the

context.Credentials = new NetworkCredential("contoso\michael", "password");

but cannot get clientContect when we run the clientContext.ExecuteQuery. --> got 401 (Unauthorized). Just only one this My Site Host and try this in four environment (2* standalone and 2* NLB Environments). the problem was happened in one of NLB environment. I list out my code for you to look at. thanks. I think another clue if the client environment settings. (Reverse Proxy).

ClientContext clientContext = new ClientContext(siteUrl);

        clientContext.Credentials = new NetworkCredential(farmAdmin, password, domain);
        clientContext.AuthenticationMode = ClientAuthenticationMode.Default;

        Uri uri = new Uri(siteUrl);

        if (uri.Scheme == "https")
        {
            ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;
            ServicePointManager.ServerCertificateValidationCallback += new System.Net.Security.RemoteCertificateValidationCallback(customXertificateValidation);
        }

        clientContext.Load(clientContext.Site.RootWeb);
        clientContext.ExecuteQuery();

        return clientContext;

Answer 3

Hi Michael,

I just have it a try to use Server OM to get server context. work well. so no idea on it.?? what do you think?

thanks

Answer 4

Hi @Will ,

I have no idea about this.

Maybe you could check the IIS log about this issue. Besides, the below similar issue may help you: https://sharepoint.stackexchange.com/questions/10364/http-401-unauthorized-using-the-managed-client-object-model

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Answer 5

hello, few questions

• are you able to open requested sites on NLB environments in browser using the same credentials?
• is it possible to access these sites on the same env but with disabled NLB? (to check that problem is not related with NLB configuration itself)