diff --git a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.DbMigrator/appsettings.json b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.DbMigrator/appsettings.json
index dd942783d6..d45a2093e7 100644
--- a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.DbMigrator/appsettings.json
+++ b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.DbMigrator/appsettings.json
@@ -1,6 +1,6 @@
 {
   "ConnectionStrings": {
-    "Default": "Server=localhost;Database=MyProjectName;Trusted_Connection=True;MultipleActiveResultSets=true"
+    "Default": "Server=(LocalDb)\\MSSQLLocalDB;Database=MyProjectName;Trusted_Connection=True;MultipleActiveResultSets=true"
   },
   "IdentityServer": {
     "Clients": {
diff --git a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Web/appsettings.json b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Web/appsettings.json
index 828ea38e60..03262e4a34 100644
--- a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Web/appsettings.json
+++ b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.Web/appsettings.json
@@ -3,7 +3,7 @@
     "SelfUrl": "https://localhost:44303"
   },
   "ConnectionStrings": {
-    "Default": "Server=localhost;Database=MyProjectName;Trusted_Connection=True;MultipleActiveResultSets=true"
+    "Default": "Server=(LocalDb)\\MSSQLLocalDB;Database=MyProjectName;Trusted_Connection=True;MultipleActiveResultSets=true"
   },
   "AuthServer": {
     "Authority": "https://localhost:44301"