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  • Status: Solved
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Security Error, Login Failure # 529 on SBS2003 server from Client Computer

Each day one of our client computers has about 150 of these login failures. Reason: Unknown user name or bad  password User: "Name of workstation". How do I troubleshoot this?  Thanks in advance for yor help.  Michael
1 Solution
Several possible reasons:
Expired password (simple)
Machine account needs to be reset
Remembered connection using a specified ID that has changed/expired
Services using an ID that has changed/expired
Shared computer with multiple users having shared connections - possible cause - offline files trying to sync but under a user with no access
Outlook mailboxes that no longer have access
Terminal server connection with authentication level issues (XP needing update)
Kerberos issues, network issues, etc...
coopfabAuthor Commented:
Thanks for all your suggestions. Haven't been able to narrow down the possible issue but I'm still working on it.

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