diff --git a/src/Services/Identity/Identity.API/Startup.cs b/src/Services/Identity/Identity.API/Startup.cs
index a58b5a6d9..94d11a818 100644
--- a/src/Services/Identity/Identity.API/Startup.cs
+++ b/src/Services/Identity/Identity.API/Startup.cs
@@ -57,6 +57,11 @@ namespace eShopOnContainers.Identity
 
             services.Configure<AppSettings>(Configuration);
 
+            services.AddDataProtection(opts =>
+            {
+                opts.ApplicationDiscriminator = "eshop.identity";
+            });
+
             services.AddMvc();
 
             services.AddHealthChecks(checks =>
diff --git a/src/Web/WebMVC/Startup.cs b/src/Web/WebMVC/Startup.cs
index aaba855d0..fd3d44893 100644
--- a/src/Web/WebMVC/Startup.cs
+++ b/src/Web/WebMVC/Startup.cs
@@ -43,6 +43,11 @@ namespace Microsoft.eShopOnContainers.WebMVC
         // This method gets called by the runtime. Use this method to add services to the container.
         public void ConfigureServices(IServiceCollection services)
         {
+            services.AddDataProtection(opts =>
+            {
+                opts.ApplicationDiscriminator = "eshop.webmvc";
+            });
+
             services.AddMvc();
             services.Configure<AppSettings>(Configuration);
 
diff --git a/src/Web/WebSPA/Startup.cs b/src/Web/WebSPA/Startup.cs
index 163ccca04..17a1bf976 100644
--- a/src/Web/WebSPA/Startup.cs
+++ b/src/Web/WebSPA/Startup.cs
@@ -47,6 +47,11 @@ namespace eShopConContainers.WebSPA
 
             services.Configure<AppSettings>(Configuration);
 
+            services.AddDataProtection(opts =>
+            {
+                opts.ApplicationDiscriminator = "eshop.webspa";
+            });
+
             services.AddAntiforgery(options => options.HeaderName = "X-XSRF-TOKEN");
 
             services.AddMvc()