Hi Everyone

Recently I finished a On prem Installation with all the necessary components configured correctly. For the installation I kept the Credential Type as Windows. We are now at the stage where we will be using Access Control Service which will be dependent on MS Entra ID (Azure AD). I followed the below instructions to the dot and made sure I was using all the correct variables running my powershell commands.

https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/administration/authenticating-users-with-azure-ad-openid-connect?tabs=multitenant%2Cadmintool

However

On this page https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/administration/authenticating-users-with-azure-ad-openid-connect?tabs=multitenant%2Cadmintool
The redirect URI states https://<domain or computer name>/<webserver-instance>/SignIn

But on this page https://learn.microsoft.com/en-us/dynamics365/business-central/dev-itpro/administration/register-app-azure
The redirect URI states https://cronus.onmicrosoft.com/BC230/OAuthLanding.htm

I used both URI's to test but i am still getting the following:

This page isn’t working

buscentapp.co.za is currently unable to handle this request.

And if I go to the event viewer it returns the following

Log Name: Application
Source: MicrosoftDynamicsNAVClientWebClient
Date: 11/28/2023 9:34:30 AM
Event ID: 13
Task Category: None
Level: Error
Keywords: Classic
User: N/A
Computer:
Description:
Category: Microsoft.AspNetCore.Server.Kestrel
EventId: 13
ConnectionId: 0HMVF8O14L5KC
RequestId: 0HMVF8O14L5KC:00000006
RequestPath: /BC220/

Connection id /0HMVF8O14L5KC/, Request id /0HMVF8O14L5KC:00000006/: An unhandled exception was thrown by the application.

Exception:
System.FormatException: Index (zero based) must be greater than or equal to zero and less than the size of the argument list.
at System.Text.ValueStringBuilder.AppendFormatHelper(IFormatProvider provider, String format, ParamsArray args)
at System.String.FormatHelper(IFormatProvider provider, String format, ParamsArray args)
at System.String.Format(IFormatProvider provider, String format, Object[] args)
at Microsoft.IdentityModel.Logging.LogHelper.FormatInvariant(String format, Object[] args)
at Microsoft.IdentityModel.Protocols.ConfigurationManager`1.GetConfigurationAsync(CancellationToken cancel)
at Microsoft.AspNetCore.Authentication.OpenIdConnect.OpenIdConnectHandler.HandleChallengeAsyncInternal(AuthenticationProperties properties)
at Microsoft.AspNetCore.Authentication.OpenIdConnect.OpenIdConnectHandler.HandleChallengeAsync(AuthenticationProperties properties)
at Microsoft.AspNetCore.Authentication.AuthenticationHandler`1.ChallengeAsync(AuthenticationProperties properties)
at Microsoft.AspNetCore.Authentication.AuthenticationService.ChallengeAsync(HttpContext context, String scheme, AuthenticationProperties properties)
at Microsoft.AspNetCore.Authorization.Policy.AuthorizationMiddlewareResultHandler.HandleAsync(RequestDelegate next, HttpContext context, AuthorizationPolicy policy, PolicyAuthorizationResult authorizeResult)
at Microsoft.AspNetCore.Authorization.AuthorizationMiddleware.Invoke(HttpContext context)
at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(HttpContext context)
at Microsoft.Dynamics.Nav.WebClient.XXSSProtectionMiddleware.Invoke(HttpContext context) in s://repo//src//Platform//Client//Web//Prod.Client.WebCoreApp//Middleware//XXSSProtectionMiddleware.cs:line 34
at Microsoft.Dynamics.Nav.WebClient.NoSniffMiddleware.Invoke(HttpContext context) in s://repo//src//Platform//Client//Web//Prod.Client.AspNetCore.WebCommon//Middleware//NoSniffMiddleware.cs:line 40
at Microsoft.Dynamics.Nav.WebClient.RequestContextMiddlewareExtensions.<>c__DisplayClass0_0.<<UseDefaultRequestContextFeature>b__0>d.MoveNext() in s://repo//src//Platform//Client//Web//Prod.Client.WebCoreApp//Middleware//requestcontext//RequestContextMiddlewareExtensions.cs:line 27
--- End of stack trace from previous location ---
at Microsoft.AspNetCore.ResponseCompression.ResponseCompressionMiddleware.InvokeCore(HttpContext context)
at Microsoft.AspNetCore.Diagnostics.StatusCodePagesMiddleware.Invoke(HttpContext context)
at Microsoft.Dynamics.Nav.WebClient.BlankServerHeaderMiddleware.Invoke(HttpContext context) in s://repo//src//Platform//Client//Web//Prod.Client.WebCoreApp//Middleware//BlankServerHeaderMiddleware.cs:line 37
at Microsoft.AspNetCore.Builder.Extensions.UsePathBaseMiddleware.InvokeCore(HttpContext context, PathString matchedPath, PathString remainingPath)
at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpProtocol.ProcessRequests[TContext](IHttpApplication`1 application)

Event Xml:
<Event xmlns=/http://schemas.microsoft.com/win/2004/08/events/event/>
<System>
<Provider Name=/MicrosoftDynamicsNAVClientWebClient/ />
<EventID Qualifiers=/0/>13</EventID>
<Level>2</Level>
<Task>0</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime=/2023-11-28T07:34:30.265731100Z/ />
<EventRecordID>26335</EventRecordID>
<Channel>Application</Channel>
<Computer>buscentapp.cbz.co.zw</Computer>
<Security />
</System>
<EventData>
<Data>Category: Microsoft.AspNetCore.Server.Kestrel
EventId: 13
ConnectionId: 0HMVF8O14L5KC
RequestId: 0HMVF8O14L5KC:00000006
RequestPath: /BC220/

Connection id /0HMVF8O14L5KC/, Request id /0HMVF8O14L5KC:00000006/: An unhandled exception was thrown by the application.