Try to delete the authentication's cookie if it does not exist or is inactive.

framework/src/Volo.Abp.AspNetCore.MultiTenancy/Volo/Abp/AspNetCore/MultiTenancy/AbpAspNetCoreMultiTenancyOptions.cs

@@ -3,6 +3,7 @@ using System.Globalization;
 using System.Net;
 using System.Text.Encodings.Web;
 using System.Threading.Tasks;
+using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
@@ -27,13 +28,30 @@ public class AbpAspNetCoreMultiTenancyOptions
         TenantKey = TenantResolverConsts.DefaultTenantKey;
         MultiTenancyMiddlewareErrorPageBuilder = async (context, exception) =>
         {
-            // Try to delete the tenant's cookie if it does not exist or is inactive.
             var tenantResolveResult = context.RequestServices.GetRequiredService<ITenantResolveResultAccessor>().Result;
-            if (tenantResolveResult != null &&
-                tenantResolveResult.AppliedResolvers.Contains(CookieTenantResolveContributor.ContributorName))
+            if (tenantResolveResult != null)
             {
+                if (tenantResolveResult.AppliedResolvers.Count == 1 && tenantResolveResult.AppliedResolvers.Contains(CurrentUserTenantResolveContributor.ContributorName))
+                {
+                    var authenticationType = context.User.Identity?.AuthenticationType;
+                    if (authenticationType != null)
+                    {
+                        var scheme = await context.RequestServices.GetRequiredService<IAuthenticationHandlerProvider>().GetHandlerAsync(context, authenticationType);
+                        if (scheme is IAuthenticationSignOutHandler signOutHandler)
+                        {
+                            // Try to delete the authentication's cookie if it does not exist or is inactive.
+                            await signOutHandler.SignOutAsync(null);
+                        }
+                    }
+                }
+
                 var options = context.RequestServices.GetRequiredService<IOptions<AbpAspNetCoreMultiTenancyOptions>>().Value;
-                AbpMultiTenancyCookieHelper.SetTenantCookie(context, null, options.TenantKey);
+                if (tenantResolveResult.AppliedResolvers.Contains(CookieTenantResolveContributor.ContributorName) ||
+                    context.Request.Cookies.ContainsKey(options.TenantKey))
+                {
+                    // Try to delete the tenant's cookie if it does not exist or is inactive.
+                    AbpMultiTenancyCookieHelper.SetTenantCookie(context, null, options.TenantKey);
+                }
             }
 
             context.Response.Headers.Add("Abp-Tenant-Resolve-Error", exception.Message);