diff --git a/MareSynchronosServer/MareSynchronosServer/Hubs/MareHub.cs b/MareSynchronosServer/MareSynchronosServer/Hubs/MareHub.cs
index 3f241e8..b75267e 100644
--- a/MareSynchronosServer/MareSynchronosServer/Hubs/MareHub.cs
+++ b/MareSynchronosServer/MareSynchronosServer/Hubs/MareHub.cs
@@ -43,9 +43,18 @@ namespace MareSynchronosServer.Hubs
 
             if (userId != null && !isBanned && !string.IsNullOrEmpty(characterIdentification))
             {
-                MareMetrics.AuthorizedConnections.Inc();
                 _logger.LogInformation("Connection from " + userId);
                 var user = (await _dbContext.Users.SingleAsync(u => u.UID == userId));
+                if (!string.IsNullOrEmpty(user.CharacterIdentification))
+                {
+                    return new ConnectionDto()
+                    {
+                        ServerVersion = Api.Version
+                    };
+                }
+
+                MareMetrics.AuthorizedConnections.Inc();
+                user.LastLoggedIn = DateTime.UtcNow;
                 user.CharacterIdentification = characterIdentification;
                 await _dbContext.SaveChangesAsync();
                 return new ConnectionDto
diff --git a/MareSynchronosServer/MareSynchronosServer/MareSynchronosServer.csproj b/MareSynchronosServer/MareSynchronosServer/MareSynchronosServer.csproj
index 24ab12e..cb7a413 100644
--- a/MareSynchronosServer/MareSynchronosServer/MareSynchronosServer.csproj
+++ b/MareSynchronosServer/MareSynchronosServer/MareSynchronosServer.csproj
@@ -26,7 +26,6 @@
 
   <ItemGroup>
     <ProjectReference Include="..\..\MareAPI\MareSynchronosAPI\MareSynchronos.API.csproj" />
-    <ProjectReference Include="..\MareSynchronos.API\MareSynchronos.API.csproj" />
   </ItemGroup>
 
 </Project>
diff --git a/MareSynchronosServer/MareSynchronosServer/Migrations/20220718071653_UserLoginDateTime.Designer.cs b/MareSynchronosServer/MareSynchronosServer/Migrations/20220718071653_UserLoginDateTime.Designer.cs
new file mode 100644
index 0000000..d711e60
--- /dev/null
+++ b/MareSynchronosServer/MareSynchronosServer/Migrations/20220718071653_UserLoginDateTime.Designer.cs
@@ -0,0 +1,203 @@
+// <auto-generated />
+using System;
+using MareSynchronosServer.Data;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace MareSynchronosServer.Migrations
+{
+    [DbContext(typeof(MareDbContext))]
+    [Migration("20220718071653_UserLoginDateTime")]
+    partial class UserLoginDateTime
+    {
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "6.0.6")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder, 1L, 1);
+
+            modelBuilder.Entity("MareSynchronosServer.Models.Auth", b =>
+                {
+                    b.Property<string>("HashedKey")
+                        .HasMaxLength(64)
+                        .HasColumnType("nvarchar(64)");
+
+                    b.Property<string>("UserUID")
+                        .HasColumnType("nvarchar(10)");
+
+                    b.HasKey("HashedKey");
+
+                    b.HasIndex("UserUID");
+
+                    b.ToTable("Auth", (string)null);
+                });
+
+            modelBuilder.Entity("MareSynchronosServer.Models.Banned", b =>
+                {
+                    b.Property<string>("CharacterIdentification")
+                        .HasColumnType("nvarchar(450)");
+
+                    b.Property<string>("Reason")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<byte[]>("Timestamp")
+                        .IsConcurrencyToken()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("rowversion");
+
+                    b.HasKey("CharacterIdentification");
+
+                    b.ToTable("BannedUsers", (string)null);
+                });
+
+            modelBuilder.Entity("MareSynchronosServer.Models.ClientPair", b =>
+                {
+                    b.Property<string>("UserUID")
+                        .HasMaxLength(10)
+                        .HasColumnType("nvarchar(10)");
+
+                    b.Property<string>("OtherUserUID")
+                        .HasMaxLength(10)
+                        .HasColumnType("nvarchar(10)");
+
+                    b.Property<bool>("AllowReceivingMessages")
+                        .HasColumnType("bit");
+
+                    b.Property<bool>("IsPaused")
+                        .HasColumnType("bit");
+
+                    b.Property<byte[]>("Timestamp")
+                        .IsConcurrencyToken()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("rowversion");
+
+                    b.HasKey("UserUID", "OtherUserUID");
+
+                    b.HasIndex("OtherUserUID");
+
+                    b.HasIndex("UserUID");
+
+                    b.ToTable("ClientPairs", (string)null);
+                });
+
+            modelBuilder.Entity("MareSynchronosServer.Models.FileCache", b =>
+                {
+                    b.Property<string>("Hash")
+                        .HasMaxLength(40)
+                        .HasColumnType("nvarchar(40)");
+
+                    b.Property<byte[]>("Timestamp")
+                        .IsConcurrencyToken()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("rowversion");
+
+                    b.Property<bool>("Uploaded")
+                        .HasColumnType("bit");
+
+                    b.Property<string>("UploaderUID")
+                        .HasColumnType("nvarchar(10)");
+
+                    b.HasKey("Hash");
+
+                    b.HasIndex("UploaderUID");
+
+                    b.ToTable("FileCaches", (string)null);
+                });
+
+            modelBuilder.Entity("MareSynchronosServer.Models.ForbiddenUploadEntry", b =>
+                {
+                    b.Property<string>("Hash")
+                        .HasMaxLength(40)
+                        .HasColumnType("nvarchar(40)");
+
+                    b.Property<string>("ForbiddenBy")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<byte[]>("Timestamp")
+                        .IsConcurrencyToken()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("rowversion");
+
+                    b.HasKey("Hash");
+
+                    b.ToTable("ForbiddenUploadEntries", (string)null);
+                });
+
+            modelBuilder.Entity("MareSynchronosServer.Models.User", b =>
+                {
+                    b.Property<string>("UID")
+                        .HasMaxLength(10)
+                        .HasColumnType("nvarchar(10)");
+
+                    b.Property<string>("CharacterIdentification")
+                        .HasColumnType("nvarchar(450)");
+
+                    b.Property<bool>("IsAdmin")
+                        .HasColumnType("bit");
+
+                    b.Property<bool>("IsModerator")
+                        .HasColumnType("bit");
+
+                    b.Property<DateTime>("LastLoggedIn")
+                        .HasColumnType("datetime2");
+
+                    b.Property<byte[]>("Timestamp")
+                        .IsConcurrencyToken()
+                        .ValueGeneratedOnAddOrUpdate()
+                        .HasColumnType("rowversion");
+
+                    b.HasKey("UID");
+
+                    b.HasIndex("CharacterIdentification");
+
+                    b.ToTable("Users", (string)null);
+                });
+
+            modelBuilder.Entity("MareSynchronosServer.Models.Auth", b =>
+                {
+                    b.HasOne("MareSynchronosServer.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserUID");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("MareSynchronosServer.Models.ClientPair", b =>
+                {
+                    b.HasOne("MareSynchronosServer.Models.User", "OtherUser")
+                        .WithMany()
+                        .HasForeignKey("OtherUserUID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("MareSynchronosServer.Models.User", "User")
+                        .WithMany()
+                        .HasForeignKey("UserUID")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("OtherUser");
+
+                    b.Navigation("User");
+                });
+
+            modelBuilder.Entity("MareSynchronosServer.Models.FileCache", b =>
+                {
+                    b.HasOne("MareSynchronosServer.Models.User", "Uploader")
+                        .WithMany()
+                        .HasForeignKey("UploaderUID");
+
+                    b.Navigation("Uploader");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/MareSynchronosServer/MareSynchronosServer/Migrations/20220718071653_UserLoginDateTime.cs b/MareSynchronosServer/MareSynchronosServer/Migrations/20220718071653_UserLoginDateTime.cs
new file mode 100644
index 0000000..558ee61
--- /dev/null
+++ b/MareSynchronosServer/MareSynchronosServer/Migrations/20220718071653_UserLoginDateTime.cs
@@ -0,0 +1,27 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace MareSynchronosServer.Migrations
+{
+    public partial class UserLoginDateTime : Migration
+    {
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<DateTime>(
+                name: "LastLoggedIn",
+                table: "Users",
+                type: "datetime2",
+                nullable: false,
+                defaultValue: new DateTime(1, 1, 1, 0, 0, 0, 0, DateTimeKind.Unspecified));
+        }
+
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "LastLoggedIn",
+                table: "Users");
+        }
+    }
+}
diff --git a/MareSynchronosServer/MareSynchronosServer/Migrations/MareDbContextModelSnapshot.cs b/MareSynchronosServer/MareSynchronosServer/Migrations/MareDbContextModelSnapshot.cs
index ae54ded..2a56c4c 100644
--- a/MareSynchronosServer/MareSynchronosServer/Migrations/MareDbContextModelSnapshot.cs
+++ b/MareSynchronosServer/MareSynchronosServer/Migrations/MareDbContextModelSnapshot.cs
@@ -144,6 +144,9 @@ namespace MareSynchronosServer.Migrations
                     b.Property<bool>("IsModerator")
                         .HasColumnType("bit");
 
+                    b.Property<DateTime>("LastLoggedIn")
+                        .HasColumnType("datetime2");
+
                     b.Property<byte[]>("Timestamp")
                         .IsConcurrencyToken()
                         .ValueGeneratedOnAddOrUpdate()
diff --git a/MareSynchronosServer/MareSynchronosServer/Models/User.cs b/MareSynchronosServer/MareSynchronosServer/Models/User.cs
index 74308f7..38b1a24 100644
--- a/MareSynchronosServer/MareSynchronosServer/Models/User.cs
+++ b/MareSynchronosServer/MareSynchronosServer/Models/User.cs
@@ -1,4 +1,5 @@
-using System.ComponentModel.DataAnnotations;
+using System;
+using System.ComponentModel.DataAnnotations;
 
 namespace MareSynchronosServer.Models
 {
@@ -14,5 +15,7 @@ namespace MareSynchronosServer.Models
         public bool IsModerator { get; set; } = false;
 
         public bool IsAdmin { get; set; } = false;
+
+        public DateTime LastLoggedIn { get; set; }
     }
 }
diff --git a/MareSynchronosServer/MareSynchronosServer/Startup.cs b/MareSynchronosServer/MareSynchronosServer/Startup.cs
index f5bcf59..5d56c27 100644
--- a/MareSynchronosServer/MareSynchronosServer/Startup.cs
+++ b/MareSynchronosServer/MareSynchronosServer/Startup.cs
@@ -41,7 +41,7 @@ namespace MareSynchronosServer
 
             services.AddSingleton<SystemInfoService, SystemInfoService>();
             services.AddSingleton<IUserIdProvider, IdBasedUserIdProvider>();
-            services.AddScoped(_ => Configuration);
+            services.AddTransient(_ => Configuration);
 
             services.AddDbContextPool<MareDbContext>(options =>
             {
diff --git a/MareSynchronosServer/MareSynchronosServer/SystemInfoService.cs b/MareSynchronosServer/MareSynchronosServer/SystemInfoService.cs
index a6a1bc9..1ab1b88 100644
--- a/MareSynchronosServer/MareSynchronosServer/SystemInfoService.cs
+++ b/MareSynchronosServer/MareSynchronosServer/SystemInfoService.cs
@@ -1,17 +1,13 @@
 using System;
 using System.Diagnostics;
-using System.IO;
 using System.Linq;
 using System.Net.NetworkInformation;
 using System.Threading;
 using System.Threading.Tasks;
 using MareSynchronos.API;
-using MareSynchronosServer.Data;
 using MareSynchronosServer.Hubs;
 using MareSynchronosServer.Metrics;
 using Microsoft.AspNetCore.SignalR;
-using Microsoft.Extensions.Configuration;
-using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Hosting;
 using Microsoft.Extensions.Logging;
 
@@ -20,18 +16,13 @@ namespace MareSynchronosServer;
 public class SystemInfoService : IHostedService, IDisposable
 {
     private readonly ILogger<SystemInfoService> _logger;
-    private readonly IServiceProvider _services;
-    private readonly IConfiguration _configuration;
     private readonly IHubContext<MareHub> _hubContext;
     private Timer _timer;
     public SystemInfoDto SystemInfoDto { get; private set; } = new();
 
-    public SystemInfoService(ILogger<SystemInfoService> logger, IServiceProvider services,
-        IConfiguration configuration, IHubContext<MareHub> hubContext)
+    public SystemInfoService(ILogger<SystemInfoService> logger, IHubContext<MareHub> hubContext)
     {
         _logger = logger;
-        _services = services;
-        _configuration = configuration;
         _hubContext = hubContext;
     }