diff --git a/src/Tgstation.Server.Host/Controllers/ApiController.cs b/src/Tgstation.Server.Host/Controllers/ApiController.cs
index 6f03152921..46c9730b4c 100644
--- a/src/Tgstation.Server.Host/Controllers/ApiController.cs
+++ b/src/Tgstation.Server.Host/Controllers/ApiController.cs
@@ -219,8 +219,13 @@ namespace Tgstation.Server.Host.Controllers
 		/// <summary>
 		/// Generic 501 response.
 		/// </summary>
+		/// <param name="ex">The <see cref="NotImplementedException"/> that was thrown.</param>
 		/// <returns>An <see cref="ObjectResult"/> with <see cref="HttpStatusCode.NotImplemented"/>.</returns>
-		protected ObjectResult RequiresPosixSystemIdentity() => StatusCode(HttpStatusCode.NotImplemented, new ErrorMessageResponse(ErrorCode.RequiresPosixSystemIdentity));
+		protected ObjectResult RequiresPosixSystemIdentity(NotImplementedException ex)
+		{
+			Logger.LogTrace(ex, "System identities not implemented!");
+			return StatusCode(HttpStatusCode.NotImplemented, new ErrorMessageResponse(ErrorCode.RequiresPosixSystemIdentity));
+		}
 
 		/// <summary>
 		/// Strongly type calls to <see cref="ControllerBase.StatusCode(int)"/>.
diff --git a/src/Tgstation.Server.Host/Controllers/ConfigurationController.cs b/src/Tgstation.Server.Host/Controllers/ConfigurationController.cs
index d1ea19855c..b563293511 100644
--- a/src/Tgstation.Server.Host/Controllers/ConfigurationController.cs
+++ b/src/Tgstation.Server.Host/Controllers/ConfigurationController.cs
@@ -97,9 +97,9 @@ namespace Tgstation.Server.Host.Controllers
 					AdditionalData = e.Message,
 				});
 			}
-			catch (NotImplementedException)
+			catch (NotImplementedException ex)
 			{
-				return RequiresPosixSystemIdentity();
+				return RequiresPosixSystemIdentity(ex);
 			}
 		}
 
@@ -142,9 +142,9 @@ namespace Tgstation.Server.Host.Controllers
 					AdditionalData = e.Message,
 				});
 			}
-			catch (NotImplementedException)
+			catch (NotImplementedException ex)
 			{
-				return RequiresPosixSystemIdentity();
+				return RequiresPosixSystemIdentity(ex);
 			}
 		}
 
@@ -188,10 +188,10 @@ namespace Tgstation.Server.Host.Controllers
 									.AsQueryable()
 									.OrderBy(x => x.Path));
 						}
-						catch (NotImplementedException)
+						catch (NotImplementedException ex)
 						{
 							return new PaginatableResult<ConfigurationFileResponse>(
-								RequiresPosixSystemIdentity());
+								RequiresPosixSystemIdentity(ex));
 						}
 						catch (UnauthorizedAccessException)
 						{
@@ -262,9 +262,9 @@ namespace Tgstation.Server.Host.Controllers
 					Message = e.Message,
 				});
 			}
-			catch (NotImplementedException)
+			catch (NotImplementedException ex)
 			{
-				return RequiresPosixSystemIdentity();
+				return RequiresPosixSystemIdentity(ex);
 			}
 			catch (UnauthorizedAccessException)
 			{
@@ -302,9 +302,9 @@ namespace Tgstation.Server.Host.Controllers
 						? NoContent()
 						: Conflict(new ErrorMessageResponse(ErrorCode.ConfigurationDirectoryNotEmpty)));
 			}
-			catch (NotImplementedException)
+			catch (NotImplementedException ex)
 			{
-				return RequiresPosixSystemIdentity();
+				return RequiresPosixSystemIdentity(ex);
 			}
 			catch (UnauthorizedAccessException)
 			{
diff --git a/src/Tgstation.Server.Host/Controllers/HomeController.cs b/src/Tgstation.Server.Host/Controllers/HomeController.cs
index ac9e666be8..0bce69891c 100644
--- a/src/Tgstation.Server.Host/Controllers/HomeController.cs
+++ b/src/Tgstation.Server.Host/Controllers/HomeController.cs
@@ -241,7 +241,7 @@ namespace Tgstation.Server.Host.Controllers
 				}
 				catch (NotImplementedException ex)
 				{
-					Logger.LogTrace(ex, "System identities not implemented!");
+					RequiresPosixSystemIdentity(ex);
 				}
 
 			using (systemIdentity)
diff --git a/src/Tgstation.Server.Host/Controllers/UserController.cs b/src/Tgstation.Server.Host/Controllers/UserController.cs
index f4cfd58898..c9c8a33714 100644
--- a/src/Tgstation.Server.Host/Controllers/UserController.cs
+++ b/src/Tgstation.Server.Host/Controllers/UserController.cs
@@ -127,9 +127,9 @@ namespace Tgstation.Server.Host.Controllers
 					dbUser.Name = sysIdentity.Username;
 					dbUser.SystemIdentifier = sysIdentity.Uid;
 				}
-				catch (NotImplementedException)
+				catch (NotImplementedException ex)
 				{
-					return RequiresPosixSystemIdentity();
+					return RequiresPosixSystemIdentity(ex);
 				}
 			else if (!(model.Password?.Length == 0 && model.OAuthConnections?.Any() == true))
 			{