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.HttpApi.Host/appsettings.json b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.Host/appsettings.json
index bad453f08a..2e0c5d044b 100644
--- a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.Host/appsettings.json
+++ b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.Host/appsettings.json
@@ -3,7 +3,7 @@
     "CorsOrigins": "https://*.MyProjectName.com,http://localhost:4200"
   },
   "ConnectionStrings": {
-    "Default": "Server=localhost;Database=MyProjectName;Trusted_Connection=True;MultipleActiveResultSets=true"
+    "Default": "Server=(LocalDb)\\MSSQLLocalDB;Database=MyProjectName;Trusted_Connection=True;MultipleActiveResultSets=true"
   },
   "Redis": {
     "Configuration": "127.0.0.1"
diff --git a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.HostWithIds/appsettings.json b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.HostWithIds/appsettings.json
index ffe84edc52..dd3055b873 100644
--- a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.HostWithIds/appsettings.json
+++ b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.HttpApi.HostWithIds/appsettings.json
@@ -4,7 +4,7 @@
     "CorsOrigins": "https://*.MyProjectName.com,http://localhost:4200"
   },
   "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:44305"
diff --git a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.IdentityServer/appsettings.json b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.IdentityServer/appsettings.json
index 45f23d7895..6b650ad8c6 100644
--- a/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.IdentityServer/appsettings.json
+++ b/templates/app/aspnet-core/src/MyCompanyName.MyProjectName.IdentityServer/appsettings.json
@@ -4,7 +4,7 @@
     "CorsOrigins": "https://*.MyProjectName.com,http://localhost:4200"
   },
   "ConnectionStrings": {
-    "Default": "Server=localhost;Database=MyProjectName;Trusted_Connection=True;MultipleActiveResultSets=true"
+    "Default": "Server=(LocalDb)\\MSSQLLocalDB;Database=MyProjectName;Trusted_Connection=True;MultipleActiveResultSets=true"
   },
   "Redis": {
     "Configuration": "127.0.0.1"
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"
diff --git a/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.HttpApi.Host/appsettings.json b/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.HttpApi.Host/appsettings.json
index 9ee790cc41..6a2d586b0e 100644
--- a/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.HttpApi.Host/appsettings.json
+++ b/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.HttpApi.Host/appsettings.json
@@ -1,7 +1,7 @@
 {
   "ConnectionStrings": {
-    "Default": "Server=localhost;Database=MyProjectName_Main;Trusted_Connection=True;MultipleActiveResultSets=true",
-    "MyProjectName": "Server=localhost;Database=MyProjectName_Module;Trusted_Connection=True;MultipleActiveResultSets=true"
+    "Default": "Server=(LocalDb)\\MSSQLLocalDB;Database=MyProjectName_Main;Trusted_Connection=True;MultipleActiveResultSets=true",
+    "MyProjectName": "Server=(LocalDb)\\MSSQLLocalDB;Database=MyProjectName_Module;Trusted_Connection=True;MultipleActiveResultSets=true"
   },
   "Redis": {
     "Configuration": "127.0.0.1"
diff --git a/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.IdentityServer/appsettings.json b/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.IdentityServer/appsettings.json
index 84503601a5..ea636d00ad 100644
--- a/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.IdentityServer/appsettings.json
+++ b/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.IdentityServer/appsettings.json
@@ -1,7 +1,7 @@
 {
   "AppSelfUrl": "https://localhost:44301/",
   "ConnectionStrings": {
-    "Default": "Server=localhost;Database=MyProjectName_Main;Trusted_Connection=True;MultipleActiveResultSets=true"
+    "Default": "Server=(LocalDb)\\MSSQLLocalDB;Database=MyProjectName_Main;Trusted_Connection=True;MultipleActiveResultSets=true"
   },
   "Redis": {
     "Configuration": "127.0.0.1"
diff --git a/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.Web.Unified/appsettings.json b/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.Web.Unified/appsettings.json
index 9536f7781f..e081a57a67 100644
--- a/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.Web.Unified/appsettings.json
+++ b/templates/module/aspnet-core/host/MyCompanyName.MyProjectName.Web.Unified/appsettings.json
@@ -1,5 +1,5 @@
 {
   "ConnectionStrings": {
-    "Default": "Server=localhost;Database=MyProjectName_Unified;Trusted_Connection=True;MultipleActiveResultSets=true"
+    "Default": "Server=(LocalDb)\\MSSQLLocalDB;Database=MyProjectName_Unified;Trusted_Connection=True;MultipleActiveResultSets=true"
   }
 }
\ No newline at end of file