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IIS -Website error-host files-(IServiceCollection services, IHostingEnvironment env)

Question
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User-596502440 posted
Hi Expert ,
I got this error message in IIS-\Logs\stdout.log" file
An error occurred while starting the application.
ArgumentNullException: Value cannot be null.
Parameter name: certificateMicrosoft.IdentityModel.Tokens.X509SecurityKey..ctor(X509Certificate2 certificate)
IdentityException: Could not load the signing certificate(s)
mdf.Identity.Api.Helpers.ServiceCollectionExtensions.AddmdfIdentityServer(IServiceCollection services, IHostingEnvironment env) in ServiceCollectionExtensions.cs, line 156
ArgumentNullException: Value cannot be null. Parameter name: certificate
Microsoft.IdentityModel.Tokens.X509SecurityKey..ctor(X509Certificate2 certificate)
mdf.Identity.Api.Helpers.ServiceCollectionExtensions+<>c__DisplayClass4_1.<AddmdfIdentityServer>b__7(string x) in ServiceCollectionExtensions.cs
System.Linq.Enumerable+SelectArrayIterator<TSource, TResult>.MoveNext()
System.Collections.Generic.LargeArrayBuilder<T>.AddRange(IEnumerable<T> items)
System.Collections.Generic.EnumerableHelpers.ToArray<T>(IEnumerable<T> source)
System.Linq.Enumerable.ToArray<TSource>(IEnumerable<TSource> source)
mdf.Identity.Api.Helpers.ServiceCollectionExtensions.AddmdfIdentityServer(IServiceCollection services, IHostingEnvironment env) in ServiceCollectionExtensions.cs
Show raw exception details
IdentityException: Could not load the signing certificate(s)
mdf.Identity.Api.Helpers.ServiceCollectionExtensions.AddmdfIdentityServer(IServiceCollection services, IHostingEnvironment env) in ServiceCollectionExtensions.cs
mdf.Identity.Api.Startup.ConfigureServices(IServiceCollection services) in Startup.cs
Microsoft.AspNetCore.Hosting.ConventionBasedStartup.ConfigureServices(IServiceCollection services)
Microsoft.AspNetCore.Hosting.Internal.WebHost.EnsureApplicationServices()
Microsoft.AspNetCore.Hosting.Internal.WebHost.Initialize()
Microsoft.AspNetCore.Hosting.Internal.WebHost.BuildApplication()
Show raw exception details
.NET Core 4.6.28008.01 X64 v4.0.0.0 | Microsoft.AspNetCore.Hosting version 2.1.1-rtm-30846 | Microsoft Windows 6.3.9600 | Need help?
It is asking for some host file and got following link
https://docs.microsoft.com/en-us/aspnet/core/fundamentals/?view=aspnetcore-5.0&tabs=windows#servers
but where to add these host files-(IServiceCollection services, IHostingEnvironment env)Thursday, February 25, 2021 4:22 AM
All replies
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User475983607 posted
The error indicates your web application (Identity Server???) cannot find a certificate. This can be due to incorrect certificate name or the web application does not have access to the certificate.
Thursday, February 25, 2021 12:31 PM -
User-596502440 posted
Hi Expert,
but which location it is pointing
Thursday, February 25, 2021 2:07 PM -
User475983607 posted
but which location it is pointingOnly you know the answer to this question since you have startup code and should know what certificate you are using.
Thursday, February 25, 2021 2:11 PM -
User-596502440 posted
Hi Expert,
it is microsoft identity server
Thursday, February 25, 2021 4:48 PM