diff --git a/src/Microsoft.AspNetCore.Server.IISIntegration/baseline.netcore.json b/src/Microsoft.AspNetCore.Server.IISIntegration/baseline.netcore.json
new file mode 100644
index 0000000000..ddeba6d200
--- /dev/null
+++ b/src/Microsoft.AspNetCore.Server.IISIntegration/baseline.netcore.json
@@ -0,0 +1,203 @@
+{
+  "AssemblyIdentity": "Microsoft.AspNetCore.Server.IISIntegration, Version=1.1.2.0, Culture=neutral, PublicKeyToken=adb9793829ddae60",
+  "Types": [
+    {
+      "Name": "Microsoft.AspNetCore.Hosting.WebHostBuilderIISExtensions",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "Abstract": true,
+      "Static": true,
+      "Sealed": true,
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "UseIISIntegration",
+          "Parameters": [
+            {
+              "Name": "hostBuilder",
+              "Type": "Microsoft.AspNetCore.Hosting.IWebHostBuilder"
+            }
+          ],
+          "ReturnType": "Microsoft.AspNetCore.Hosting.IWebHostBuilder",
+          "Static": true,
+          "Extension": true,
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.Builder.IISOptions",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "get_AutomaticAuthentication",
+          "Parameters": [],
+          "ReturnType": "System.Boolean",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_AutomaticAuthentication",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.Boolean"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_ForwardWindowsAuthentication",
+          "Parameters": [],
+          "ReturnType": "System.Boolean",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_ForwardWindowsAuthentication",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.Boolean"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_ForwardClientCertificate",
+          "Parameters": [],
+          "ReturnType": "System.Boolean",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "set_ForwardClientCertificate",
+          "Parameters": [
+            {
+              "Name": "value",
+              "Type": "System.Boolean"
+            }
+          ],
+          "ReturnType": "System.Void",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Method",
+          "Name": "get_AuthenticationDescriptions",
+          "Parameters": [],
+          "ReturnType": "System.Collections.Generic.IList<Microsoft.AspNetCore.Http.Authentication.AuthenticationDescription>",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.Server.IISIntegration.IISDefaults",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [],
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Field",
+          "Name": "Negotiate",
+          "Parameters": [],
+          "ReturnType": "System.String",
+          "Static": true,
+          "Visibility": "Public",
+          "GenericParameter": [],
+          "Constant": true,
+          "Literal": "\"Negotiate\""
+        },
+        {
+          "Kind": "Field",
+          "Name": "Ntlm",
+          "Parameters": [],
+          "ReturnType": "System.String",
+          "Static": true,
+          "Visibility": "Public",
+          "GenericParameter": [],
+          "Constant": true,
+          "Literal": "\"NTLM\""
+        }
+      ],
+      "GenericParameters": []
+    },
+    {
+      "Name": "Microsoft.AspNetCore.Server.IISIntegration.IISMiddleware",
+      "Visibility": "Public",
+      "Kind": "Class",
+      "ImplementedInterfaces": [],
+      "Members": [
+        {
+          "Kind": "Method",
+          "Name": "Invoke",
+          "Parameters": [
+            {
+              "Name": "httpContext",
+              "Type": "Microsoft.AspNetCore.Http.HttpContext"
+            }
+          ],
+          "ReturnType": "System.Threading.Tasks.Task",
+          "Visibility": "Public",
+          "GenericParameter": []
+        },
+        {
+          "Kind": "Constructor",
+          "Name": ".ctor",
+          "Parameters": [
+            {
+              "Name": "next",
+              "Type": "Microsoft.AspNetCore.Http.RequestDelegate"
+            },
+            {
+              "Name": "loggerFactory",
+              "Type": "Microsoft.Extensions.Logging.ILoggerFactory"
+            },
+            {
+              "Name": "options",
+              "Type": "Microsoft.Extensions.Options.IOptions<Microsoft.AspNetCore.Builder.IISOptions>"
+            },
+            {
+              "Name": "pairingToken",
+              "Type": "System.String"
+            }
+          ],
+          "Visibility": "Public",
+          "GenericParameter": []
+        }
+      ],
+      "GenericParameters": []
+    }
+  ]
+}
\ No newline at end of file
diff --git a/src/Microsoft.AspNetCore.Server.IISIntegration/breakingchanges.netcore.json b/src/Microsoft.AspNetCore.Server.IISIntegration/breakingchanges.netcore.json
new file mode 100644
index 0000000000..961edc3414
--- /dev/null
+++ b/src/Microsoft.AspNetCore.Server.IISIntegration/breakingchanges.netcore.json
@@ -0,0 +1,22 @@
+[
+  {
+    "TypeId": "public class Microsoft.AspNetCore.Server.IISIntegration.IISMiddleware",
+    "MemberId": "public .ctor(Microsoft.AspNetCore.Http.RequestDelegate next, Microsoft.Extensions.Logging.ILoggerFactory loggerFactory, Microsoft.Extensions.Options.IOptions<Microsoft.AspNetCore.Builder.IISOptions> options, System.String pairingToken)",
+    "Kind": "Removal"
+  },
+  {
+    "TypeId": "public class Microsoft.AspNetCore.Builder.IISOptions",
+    "MemberId": "public System.Boolean get_ForwardWindowsAuthentication()",
+    "Kind": "Removal"
+  },
+  {
+    "TypeId": "public class Microsoft.AspNetCore.Builder.IISOptions",
+    "MemberId": "public System.Collections.Generic.IList<Microsoft.AspNetCore.Http.Authentication.AuthenticationDescription> get_AuthenticationDescriptions()",
+    "Kind": "Removal"
+  },
+  {
+    "TypeId": "public class Microsoft.AspNetCore.Builder.IISOptions",
+    "MemberId": "public System.Void set_ForwardWindowsAuthentication(System.Boolean value)",
+    "Kind": "Removal"
+  }
+]