diff --git a/TGServerService/DeprecatedInstanceConfig.cs b/TGServerService/DeprecatedInstanceConfig.cs
index 0c201ae057..9eff86cc04 100644
--- a/TGServerService/DeprecatedInstanceConfig.cs
+++ b/TGServerService/DeprecatedInstanceConfig.cs
@@ -20,7 +20,7 @@ namespace TGServerService
 		public static IInstanceConfig CreateFromNETSettings()
 		{
 			var Config = Properties.Settings.Default;
-			var result = new DeprecatedInstanceConfig(LoadPreviousNetPropertyOrDefault("ServerDirectory", "C:\\tgstation-server-3"));
+			var result = new DeprecatedInstanceConfig(Program.NormalizePath(LoadPreviousNetPropertyOrDefault("ServerDirectory", "C:\\tgstation-server-3")));
 			// using nameof for sanity where possible
 			result.ProjectName = LoadPreviousNetPropertyOrDefault(nameof(ProjectName), result.ProjectName);
 			result.Port = LoadPreviousNetPropertyOrDefault("ServerPort", result.Port);
diff --git a/TGServerService/Program.cs b/TGServerService/Program.cs
index a9c208a629..5184c9f194 100644
--- a/TGServerService/Program.cs
+++ b/TGServerService/Program.cs
@@ -175,5 +175,17 @@ namespace TGServerService
 		{
 			return input.Replace("%", "%25").Replace("=", "%3d").Replace(";", "%3b").Replace("&", "%26").Replace("+", "%2b");
 		}
+
+		/// <summary>
+		/// Normalizes different versions of a path <see cref="string"/>
+		/// </summary>
+		/// <param name="path">The path to normalize</param>
+		/// <returns>The normalized path</returns>
+		public static string NormalizePath(string path)
+		{
+			return Path.GetFullPath(new Uri(path).LocalPath)
+					   .TrimEnd(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar)
+					   .ToUpperInvariant();
+		}
 	}
 }
diff --git a/TGServerService/Service.cs b/TGServerService/Service.cs
index c4835b0a66..a47c89511b 100644
--- a/TGServerService/Service.cs
+++ b/TGServerService/Service.cs
@@ -471,6 +471,7 @@ namespace TGServerService
 		/// <inheritdoc />
 		public string CreateInstance(string Name, string path)
 		{
+			path = Program.NormalizePath(path);
 			var res = CheckInstanceName(Name);
 			if (res != null)
 				return res;
@@ -529,6 +530,7 @@ namespace TGServerService
 		/// <inheritdoc />
 		public string ImportInstance(string path)
 		{
+			path = Program.NormalizePath(path);
 			var Config = Properties.Settings.Default;
 			lock (this)
 			{