RE: Event ID 538 540 and 576
- From: v-robeli@xxxxxxxxxxxxxxxxxxxx (Robert Li [MSFT])
- Date: Thu, 19 Jul 2007 08:49:03 GMT
Hello,
Thanks for posting in our newsgroup.
First, I would like to introduce these events to you.
538 - The logoff process was completed for a user
540 - A user successfully logged on to a network.
576 - Specified privileges were added to a user's access token. Note: This
event is generated when the user logs on
In SBS 2003, the full security audit is enabled by default so that you are
able to monitor the server and network access events if needed. It's normal
that many logon/logoff events are logged because one logon/logoff procedure
can generate several events. The logon/logoff procedures are always
performed by service startup/shutdown, shared file accessing, network
accessing, users' logon/logoff etc. Event 540 indicates a successful logon;
event 538 indicates a successful logoff and event 576 indicates a
successful special privilege assign. In most cases, it's a normal behavior
and we can ignore the events.
To find the root cause of this issue, please help me collect the following
information for further research:
1. Please export the Application Event log file and email it to me. To
export the application event log:
Note: If the log is big file, you can select a export the log for only one
day.
1) Click Start -> Run, type EVENTVWR.MSC and click OK.
2) Right click the Application Event, select Save Log File as, save it to
..evt file.
3) Email me the file to v-robeli@xxxxxxxxxxxxx with subject:
39927173-Event ID 538 540 and 576.
2. How many users are in your domain?
3. Do you remember which update you applied when the issue first occurred?
You may also consider disabling some security audit policies:
1. Click Start, click Run, type "gpmc.msc" and click OK.
2. Expand Domains -> your domain -> Domain Controllers.
3. Right-click Small Business Server Auditing Policy and click Edit.
4. Expand Computer Configuration -> Windows Settings -> Security Settings
-> Local Policies -> Audit Policy.
5. In the right pane, double-click Audit logon events and clear the Success
check box. Click OK.
6. Run "gpupdate /force".
I am looking forward to hear from you.
If you need further assistance, please don't hesitate to let me know.
Best regards,
Robert Li(MSFT)
Microsoft CSS Online Newsgroup Support
Get Secure! - www.microsoft.com/security
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--------------------
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<I have been getting the events posted below in the security log. I have
read
<some articles saying that having 1000's of 538,540,and 576 events is
normal
<and not to worry about it. My question is, if its normal, how come these
<events didn't start appearing in the log until recently? I haven't
changed
<any of the audit policies in over a year. They started after I installed
<some Patch Tuesday patches on June 19th.
< To make matters worse, I am required to keep at least 3 months of
security
<log data. The current log size is 348mb and it only goes back 3 days. To
<keep 3 months of data will require at least 10GB of space. That seems
<somewhat excessive for a Small Business server.
<How can I get the security event log back to the way it was before without
<turning off auditing entirely?
<
<Thanks
<
<
<Event Type: Success Audit
<Event Source: Security
<Event Category: Logon/Logoff
<Event ID: 538
<Date: 7/18/2007
<Time: 2:46:50 PM
<User: NT AUTHORITY\SYSTEM
<Computer: â??ServerNameâ??
<Description:
<User Logoff:
< User Name: â??ServerNameâ??$
< Domain: â??DomainNameâ??
< Logon ID: (0x0,0x47DCEDAE)
< Logon Type: 3
<
<
<For more information, see Help and Support Center at
<http://go.microsoft.com/fwlink/events.asp.
<
<Event Type: Success Audit
<Event Source: Security
<Event Category: Logon/Logoff
<Event ID: 540
<Date: 7/18/2007
<Time: 2:46:50 PM
<User: NT AUTHORITY\SYSTEM
<Computer: â??ServerNameâ??
<Description:
<Successful Network Logon:
< User Name: â??ServerName$
< Domain: â??DomainNameâ??
< Logon ID: (0x0,0x47DCEDAE)
< Logon Type: 3
< Logon Process: Kerberos
< Authentication Package: Kerberos
< Workstation Name:
< Logon GUID: {90a38bcb-997e-a552-2022-5b88cc8522b4}
< Caller User Name: -
< Caller Domain: -
< Caller Logon ID: -
< Caller Process ID: -
< Transited Services: -
< Source Network Address: 192.168.0.4
< Source Port: 29723
<
<
<For more information, see Help and Support Center at
<http://go.microsoft.com/fwlink/events.asp.
<
<Event Type: Success Audit
<Event Source: Security
<Event Category: Logon/Logoff
<Event ID: 576
<Date: 7/18/2007
<Time: 2:46:50 PM
<User: NT AUTHORITY\SYSTEM
<Computer: â??ServerNameâ??
<Description:
<Special privileges assigned to new logon:
< User Name: â??ServerNameâ??$
< Domain: â??DomainNameâ??
< Logon ID: (0x0,0x47DCEDAE)
< Privileges: SeSecurityPrivilege
< SeBackupPrivilege
< SeRestorePrivilege
< SeTakeOwnershipPrivilege
< SeDebugPrivilege
< SeSystemEnvironmentPrivilege
< SeLoadDriverPrivilege
< SeImpersonatePrivilege
< SeEnableDelegationPrivilege
<
<For more information, see Help and Support Center at
<http://go.microsoft.com/fwlink/events.asp.
<
<I changed the server and domain names in the events, but they are the name
<of the SBS server and my domain.
<
<
.
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