Troubleshooting Guide: Error 1312 – “A Specified Logon Session Does Not Exist”
Why This Error Happens
Error 1312 typically occurs when the Local Security Authority (LSA) cannot locate or validate the logon session token associated with a user credential, often due to a corrupted user profile, an expired security token, or a stale credential cached in the Windows Credential Manager. This is common after password changes, domain trust issues, or when using tools like runas, scheduled tasks, or third-party password managers that rely on cached session data. It can also surface when Windows Group Policy attempts to apply a logon script using invalid or outdated cached credentials.
Step-by-Step Resolution Guide
Step 1: Clear Cached Credentials in Credential Manager
- Open Control Panel > User Accounts > Credential Manager.
- Review entries under Windows Credentials and Generic Credentials.
- Remove any credentials tied to the account throwing Error 1312 (look for stale domain or RDP entries).
- Restart the machine to force Windows to rebuild the logon session cache.
Step 2: Reset the User Profile’s Security Token
- Press
Win + R, typecmd, and run Command Prompt as Administrator. - Execute the following to restart the Security Accounts Manager and LSA-related services:
net stop netlogon
net start netlogon
- If the issue involves a scheduled task or
runas, re-enter the password manually instead of relying on saved credentials:
runas /user:DOMAIN\username /savecred cmd
(Then remove /savecred and re-authenticate fresh.)
Step 3: Repair the Local User Profile
- Navigate to
Settings > Accounts > Other Usersand check if the profile shows as corrupted. - Alternatively, check the registry for orphaned profile entries:
- Path:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\ProfileList - Look for keys ending in
.bakand compare SID mappings. - If a duplicate or
.bakprofile exists, back up user data, then rename or delete the corrupted key (only after exporting the registry first).
Step 4: Check Group Policy and Scheduled Tasks
- Open
Task Scheduler(taskschd.msc) and locate tasks tied to the failing account. - Under the General tab, re-enter the “Run as user” credentials.
- Run
gpupdate /forcein an elevated Command Prompt to refresh policy-based logon scripts that may be referencing an invalid session.
Alternative or Verification Steps
- Verify the fix by logging out completely and logging back in, then re-running the task or command that originally triggered Error 1312.
- If the error persists, create a new local user profile via
Settings > Accounts > Family & Other Users > Add Account, migrate essential files, and test authentication under the new profile to isolate whether the issue is profile-specific or system-wide.