From 424682523961f1a51fdebcde4f64849b75b9c3af Mon Sep 17 00:00:00 2001
From: evan314159 <110177090+evan314159@users.noreply.github.com>
Date: Sat, 20 Sep 2025 21:23:04 +0800
Subject: Attach before updating/deleting to avoid DbUpdateConcurrencyException
 (#14746)

---
 Jellyfin.Server.Implementations/Users/UserManager.cs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Jellyfin.Server.Implementations/Users/UserManager.cs b/Jellyfin.Server.Implementations/Users/UserManager.cs
index 3dfb14d71..d0b41a7f6 100644
--- a/Jellyfin.Server.Implementations/Users/UserManager.cs
+++ b/Jellyfin.Server.Implementations/Users/UserManager.cs
@@ -272,6 +272,7 @@ namespace Jellyfin.Server.Implementations.Users
             var dbContext = await _dbProvider.CreateDbContextAsync().ConfigureAwait(false);
             await using (dbContext.ConfigureAwait(false))
             {
+                dbContext.Users.Attach(user);
                 dbContext.Users.Remove(user);
                 await dbContext.SaveChangesAsync().ConfigureAwait(false);
             }
@@ -887,7 +888,8 @@ namespace Jellyfin.Server.Implementations.Users
 
         private async Task UpdateUserInternalAsync(JellyfinDbContext dbContext, User user)
         {
-            dbContext.Users.Update(user);
+            dbContext.Users.Attach(user);
+            dbContext.Entry(user).State = EntityState.Modified;
             _users[user.Id] = user;
             await dbContext.SaveChangesAsync().ConfigureAwait(false);
         }
-- 
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