diff --git a/bitwarden_license/src/Portal/Program.cs b/bitwarden_license/src/Portal/Program.cs
index 2c7813fb12..4990cd8ec1 100644
--- a/bitwarden_license/src/Portal/Program.cs
+++ b/bitwarden_license/src/Portal/Program.cs
@@ -12,6 +12,7 @@ namespace Bit.Portal
         {
             Host
                 .CreateDefaultBuilder(args)
+                .ConfigureCustomAppConfiguration(args)
                 .ConfigureWebHostDefaults(webBuilder =>
                 {
                     webBuilder.UseStartup<Startup>();
diff --git a/bitwarden_license/src/Portal/appsettings.SelfHosted.json b/bitwarden_license/src/Portal/appsettings.SelfHosted.json
new file mode 100644
index 0000000000..c7ee4b2b35
--- /dev/null
+++ b/bitwarden_license/src/Portal/appsettings.SelfHosted.json
@@ -0,0 +1,20 @@
+{
+  "globalSettings": {
+    "baseServiceUri": {
+      "vault": null,
+      "api": null,
+      "identity": null,
+      "admin": null,
+      "notifications": null,
+      "sso": null,
+      "portal": null,
+      "internalNotifications": null,
+      "internalAdmin": null,
+      "internalIdentity": null,
+      "internalApi": null,
+      "internalVault": null,
+      "internalSso": null,
+      "internalPortal": null
+    }
+  }
+}
diff --git a/bitwarden_license/src/Sso/Program.cs b/bitwarden_license/src/Sso/Program.cs
index f95f10d8ee..6b6a83d05a 100644
--- a/bitwarden_license/src/Sso/Program.cs
+++ b/bitwarden_license/src/Sso/Program.cs
@@ -12,6 +12,7 @@ namespace Bit.Sso
         {
             Host
                 .CreateDefaultBuilder(args)
+                .ConfigureCustomAppConfiguration(args)
                 .ConfigureWebHostDefaults(webBuilder =>
                 {
                     webBuilder.UseStartup<Startup>();
diff --git a/bitwarden_license/src/Sso/appsettings.SelfHosted.json b/bitwarden_license/src/Sso/appsettings.SelfHosted.json
new file mode 100644
index 0000000000..c7ee4b2b35
--- /dev/null
+++ b/bitwarden_license/src/Sso/appsettings.SelfHosted.json
@@ -0,0 +1,20 @@
+{
+  "globalSettings": {
+    "baseServiceUri": {
+      "vault": null,
+      "api": null,
+      "identity": null,
+      "admin": null,
+      "notifications": null,
+      "sso": null,
+      "portal": null,
+      "internalNotifications": null,
+      "internalAdmin": null,
+      "internalIdentity": null,
+      "internalApi": null,
+      "internalVault": null,
+      "internalSso": null,
+      "internalPortal": null
+    }
+  }
+}