• Some domain admin users fail to logon Director Web page.
• "You must enter valid credentials" error happen when logon Director Web for some admin users.
• Username and Password are correct since they can logon via Director server vm console.
• Event ID 7 Warning show on Director Server Application event log, detail error : "The win32 logon attempt was unsuccessful . Code 1326" or "The win32 logon attempt was unsuccessful . Code 1385"
• User logon error information show on Director Server Security log with the following failure reason:

• Run "gpedit.msc" on Director server
• Navigate to Local Computer Policy >> Computer Configuration >> Windows Settings >> Security Settings >> Local Policies >> User Rights Assignment>>Access this computer from the network
• Add the problem user account 

Problem Cause