diff --git a/src/MigrationTools.Clients.TfsObjectModel/Tools/TfsUserMappingTool.cs b/src/MigrationTools.Clients.TfsObjectModel/Tools/TfsUserMappingTool.cs
index 3e3ef5e30..d165a32aa 100644
--- a/src/MigrationTools.Clients.TfsObjectModel/Tools/TfsUserMappingTool.cs
+++ b/src/MigrationTools.Clients.TfsObjectModel/Tools/TfsUserMappingTool.cs
@@ -196,7 +196,7 @@ public IdentityMapResult GetUsersInSourceMappedToTarget(TfsProcessor processor)
                     }
                     catch (InvalidOperationException)
                     {
-                        Log.LogError("TfsUserMappingTool::GetUsersInSourceMappedToTarget:: Multiple target users found with the same display name '{displayName}'. "
+                        Log.LogError("TfsUserMappingTool::GetUsersInSourceMappedToTarget:: Multiple target users found with the same display name '{displayName}' (account: {accountName}). "
                             + "Consider enabling MatchUsersByEmail option to avoid this issue. ", 
                             sourceUser.DisplayName, sourceUser.AccountName);
                         var matchingUsers = targetUsers.Where(x => x.DisplayName == sourceUser.DisplayName).ToList();