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ID Event 4625 : unknown user or wrong password RRS feed

  • General discussion

  • Hi All, i have Windows Server 2016 and a client Windows 8.1.

    On the Server, Windows Microsoft 2016 (not in domain) there is a shared folder mapped on the client (access administrator having on the client the password saved). 

    I already settled the NTLM - LAN MANAGER on server and client to Send LM & NTLM - use NTLMv2 session security if negotiated.

    Randomly I have a security check control on the server failed, and this is generating the event id 4625: during this time the client cannot access to the shared folder and the main application cannot start.

    I do not know how configure this parameter the permit the usual communication between server-client : I did not have this on Windows Server 2012r2 , I just finished to migrate into this new Windows Server 2016.

    Detail of the error, below: 

    Id Security: NULL SID 

    Type of access: 3

    STATUS: 0xC000006D

    Secondary status: 0xC0000064

    Process of access: NtLmSsp

    Authentication Packet: NTLM

    error Information : User Name unknown or Wrong Password

    Hope someone can help me to sort it 

    Cheers 

    Monday, September 21, 2020 12:16 PM

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