Essentially the proxy is unable to authenticate the client. Since there are multiple parties involved, it can be tricky to identify the exact cause of the problem. It may even be caused by the proxy itself, meaning there is no fix on your end. However, there are some things that you can do to try to resolve the communication with the proxy.

Followingthat, I made an AJAX request via the React app and that also worked. If I use AJAX request to do the authentication, I successfully get the token and the id of the user. In reality I can further carry on. But the problem occurs to re-authenticate the user with the same token and to logout the user. I do understand that there are

Itcan be summarized as, you need to make users sign in to finish the authentication first, then with the authentication, you need to use it to finish the authorization. Since the api is your custom api, so you have to expose API permission for it so that AAD can help manage and authorize for you. In your scenario, you need to expose delegated

Todetermine whether a problem is occurring with Kerberos authentication, check the System event log for errors from any services (such as Kerberos, kdc, LsaSrv, or Netlogon) on the client, target server, or domain controller that provide authentication. If any such errors exist, there might be errors associated with the Kerberos protocol as well. ^{TroubleshootTACACS Issues. Step 1. Verify the connectivity to the TACACS server with a telnet on port 49 from the router with appropriate source interface. In case the router is not able to connect to the TACACS server on Port 49, there can be some firewall or access list that blocks the traffic.}

UseRDP to connect to the rescue instance, and then bring the volume that you just attached online in Disk Manager. In a command prompt, type regedit.exe, and then press Enter to open the Registry Editor. Select HKEY_LOCAL_MACHINE and then select File, Load Hive. Navigate to the Windows folder on the attached volume, and then select the SYSTEM

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how do i fix unable to authenticate