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User cannot login frequently

Newbie274060 Lv1  Posted 2026-Oct-08 11:53

one of our teacher get 無效的認證 · 延遲下次嘗試... and 因為您的網域無法使用,所以您無法使用此認證登入,請確定裝置已連線到組織網路後,再試一次。如果您先前使用另一個認證登入此裝置,則可以使用該認證登入。
although he has logout all sessions before

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Humayun Ahmed Lv4  Posted 2026-Oct-08 12:03
  
This behavior looks less like an aDesk session/logout problem and more like a Windows domain authentication / cached-credential problem on the affected VDI.
SteveWKC Lv1  Posted 2026-Oct-08 12:24
  
none of our 50 users affected, so i don't think our active directory get corrupted
rizzuan Lv2  Posted 2026-Oct-08 12:53
  
Hi, I tried to translate your question, and based on my understanding of your issue, this is the solution I can suggest. I hope it helps.
Based on the error message, it looks more like an authentication domain/network connectivity issue rather than an active session issue.
I would suggest checking:
1. Make sure the device is connected to the organization network or VPN.
2. Verify that the authentication/domain server is reachable from the affected device.
3. Check DNS resolution and network connectivity to the authentication server.
4. If another authentication account previously worked on the same device, test with that account to determine whether the issue is account-specific or device/network-related.
5. If the issue happens only to this user, check the user's account status and authentication logs on the server.
Since all sessions have already been logged out, I would focus on the network/domain authentication path first.
Abdul Rahman Lv2  Posted 2026-Oct-09 07:08
  
This behavior looks like your device/pc/laptop not connected to Domain Controller (DC) or your DC is unavailable at the moment.

1) The device is not connected to the organization's network more than 90day, so maybe chache expired and user can;t connect to DC to update policy authentication. Try logon using local user or local administrator
2) If The device is not connected to the organization's network, new user also can;t authentication because that device not connected to DC for authentication, try to connect organization's network and try again.
2) Try logon using your previous account password to sign in if your account password is reset/change but your laptop not connected to the organization's network yet before your change password.


751
此情況表示您的裝置/電腦/筆記型電腦未連接到網域控制站 (DC),或您的 DC 目前不可用。

1) 該設備已超過 90 天未連接到組織網絡,因此快取可能已過期,用戶無法連接到 DC 以更新策略身份驗證。請嘗試使用本機使用者或本機管理員登入。

2) 如果設備未連接到組織網絡,新用戶也無法進行身份驗證,因為該設備未連接到 DC 進行身份驗證。請嘗試連接到組織網路並重試。

3) 如果您的帳戶密碼已重設/更改,但在更改密碼之前您的筆記型電腦尚未連接到組織網絡,請嘗試使用您先前的帳戶密碼登入。

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