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mark-199Flag for United Kingdom of Great Britain and Northern Ireland

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Several ID 4625 events per minute in the EV security log

I have recently noticed that my own laptop/user account (domain admin account) is causing several ID 4625 event per minute in the EV security log of our file and print server.
 
It doesn't matter if I am in the office or at home connecting via VPN.
 
Any suggestions?
 

An account failed to log on.
 
Subject:
 
Security ID: NULL SID
 
Account Name: -
 
Account Domain: -
 
Logon ID: 0x0
 
Logon Type: 3
 
Account For Which Logon Failed:
 
Security ID: NULL SID
 
Account Name:  *****@*****.org
 
Account Domain:

Failure Information:
 
Failure Reason: Unknown user name or bad password.
 
Status: 0xc000006d
 
Sub Status: 0xc000006a
 
Process Information:
 
Caller Process ID: 0x0
 
Caller Process Name: -
 
Network Information:
 
Workstation Name: ******
 
Source Network Address: 192.168.70.161
 
Source Port: 57593
 
Detailed Authentication Information:
 
Logon Process: NtLmSsp

Authentication Package: NTLM
 
Transited Services: -
 
Package Name (NTLM only): -
 
Key Length: 0
 
This event is generated when a logon request fails. It is generated on the computer where access was attempted.
 
The Subject fields indicate the account on the local system which requested the logon. This is most commonly a service such as the Server service, or a local process such as Winlogon.exe or Services.exe.
 
The Logon Type field indicates the kind of logon that was requested. The most common types are 2 (interactive) and 3 (network).
 
The Process Information fields indicate which account and process on the system requested the logon.
 
The Network Information fields indicate where a remote logon request originated. Workstation name is not always available and may be left blank in some cases.
 
The authentication information fields provide detailed information about this specific logon request.
 
- Transited services indicate which intermediate services have participated in this logon request.
 
- Package name indicates which sub-protocol was used among the NTLM protocols.
 
- Key length indicates the length of the generated session key. This will be 0 if no session key was requested.
SOLUTION
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btan

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I have found the solution myself but the first proposed answer helped me analyse the issue.