diff --git a/csharp/App/Backend/Backend.csproj b/csharp/App/Backend/Backend.csproj
index 7af08ae7c..6959e506d 100644
--- a/csharp/App/Backend/Backend.csproj
+++ b/csharp/App/Backend/Backend.csproj
@@ -14,6 +14,7 @@
         <PackageReference Include="Microsoft.AspNet.Identity.Owin" Version="2.2.3" />
         <PackageReference Include="Microsoft.AspNet.WebApi.Core" Version="5.2.9" />
         <PackageReference Include="Microsoft.AspNetCore.Identity" Version="2.2.0" />
+        <PackageReference Include="Microsoft.AspNetCore.Mvc.Core" Version="2.2.5" />
         <PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="7.0.0" />
         <PackageReference Include="Microsoft.Identity.Web" Version="1.26.0" />
         <PackageReference Include="Microsoft.Owin.Cors" Version="4.2.2" />
diff --git a/csharp/App/Backend/DataTypes/Installation.cs b/csharp/App/Backend/DataTypes/Installation.cs
index 428ce3dbe..f4620d56b 100644
--- a/csharp/App/Backend/DataTypes/Installation.cs
+++ b/csharp/App/Backend/DataTypes/Installation.cs
@@ -14,8 +14,7 @@ public class Installation : TreeNode
 
     public Double Lat  { get; set; }
     public Double Long { get; set; }
-
-    public String S3Bucket   { get; set; } = "";
+    
     public String S3Region   { get; set; } = "";
     public String S3Provider { get; set; } = "";
     public String S3Key      { get; set; } = "";
diff --git a/csharp/App/Backend/DataTypes/Methods/ExoCmd.cs b/csharp/App/Backend/DataTypes/Methods/ExoCmd.cs
index 50be5aafb..d7f5af920 100644
--- a/csharp/App/Backend/DataTypes/Methods/ExoCmd.cs
+++ b/csharp/App/Backend/DataTypes/Methods/ExoCmd.cs
@@ -12,6 +12,8 @@ public static class ExoCmd
     public static async Task<(String key, String secret)> CreateKey(this Installation installation)
     {
         //if (installation.Id != 1) return "help"; //Todo remove me I am for debugging
+
+
         
         var preParse = await Exo
             .WithArguments("iam access-key create " + installation.BucketName() 
diff --git a/csharp/App/Backend/Database/Db.cs b/csharp/App/Backend/Database/Db.cs
index d9d5ae1cd..ac2a71e90 100644
--- a/csharp/App/Backend/Database/Db.cs
+++ b/csharp/App/Backend/Database/Db.cs
@@ -1,5 +1,7 @@
 using System.Reactive.Concurrency;
 using System.Reactive.Linq;
+using CliWrap;
+using CliWrap.Buffered;
 using InnovEnergy.App.Backend.DataTypes;
 using InnovEnergy.App.Backend.DataTypes.Methods;
 using InnovEnergy.App.Backend.Relations;
@@ -96,11 +98,22 @@ public static partial class Db
         Sessions.Delete(s => s.LastSeen < deadline);
     }
 
-    private static Task UpdateS3Urls()
+    private static async Task UpdateS3Urls()
     {
-        return Installations
-              .Select(i => i.RenewS3BucketUrl())
-              .WhenAll();
+        var bucketList = await Cli.Wrap("exo")
+            .WithArguments("storage list -O json")
+            .ExecuteBufferedAsync();
+
+
+        var installationsToUpdate = Installations
+                .Select(i => i)
+            .Where(i => bucketList.StandardOutput.Contains("\"" + i.BucketName())).ToList()
+            ;
+        
+        foreach (var installation in installationsToUpdate)
+        {
+            await installation.RenewS3BucketUrl();
+        }
     }
     
 }
\ No newline at end of file
diff --git a/csharp/App/Backend/Properties/launchSettings.json b/csharp/App/Backend/Properties/launchSettings.json
index 1729b03cd..dc2ac027a 100644
--- a/csharp/App/Backend/Properties/launchSettings.json
+++ b/csharp/App/Backend/Properties/launchSettings.json
@@ -1,5 +1,6 @@
 {
   "$schema": "https://json.schemastore.org/launchsettings.json",
+  "$SdkResolverGlobalJsonPath": "",
   "profiles": {
     "Backend": {
       "commandName": "Project",
diff --git a/csharp/App/Backend/db.sqlite b/csharp/App/Backend/db.sqlite
index 629857e5c..8e50935f7 100644
Binary files a/csharp/App/Backend/db.sqlite and b/csharp/App/Backend/db.sqlite differ
diff --git a/csharp/App/Backend/fakedb.sqlite b/csharp/App/Backend/fakedb.sqlite
new file mode 100644
index 000000000..1368f3256
Binary files /dev/null and b/csharp/App/Backend/fakedb.sqlite differ