Sergei Sergeev

Probably your firewall is the cause, however, TBH I'm not sure. Have you tried any other authentication methods (ADFS, NTLM)?

Have you tried steps from [this wiki page](https://github.com/s-KaiNet/node-sp-auth/wiki/SharePoint-on-premise-addin-only-authentication)? (Starting from step `#11`)

Hello, Have you had this issue before or it started happening after a while? Do you have MFA enabled? Do you use any third-party auth providers? Do you use ADFS?

I've never seen that before, so it's difficult to say what is the reason. I'd suggest using [add-in only](https://github.com/s-KaiNet/node-sp-auth/wiki/SharePoint-Online-addin-only-authentication) authentication (since that's SharePoint Online).

Hi, most likely you haven't passed the site url in your pipeline, or you use wrong configuration options. I would check that the parameters, passing to node-sp-auth are valid.

Hi, I recommend you to try [sp-request](https://github.com/s-KaiNet/sp-request) module. It handles everything inside and uses `node-sp-auth` under the hood.

> - I will need to download larger files from sharepoint, thus I was using the stream interface of the `request` module, so I can avoid loading large files into...

Which kind of auth do you use?

App-only creds don't work with asmx services. You could try user\password auth instead.

Hi, I suggest you to test your permissions using [`sp-request`](https://github.com/s-KaiNet/sp-request) library. Try to get web details to check it works: ```typescript spr.get('http://sharepoint/sites/dev/_api/web/') .then(response => { console.log(response.body); }) ``` Add-in authentication...