Windows Server

David Parkes · Guest

Thanks for reading this. We are getting a load of these messages in our
security log on the server. This is happening on two individual domains. The
servers are both SBS2003 and the Clients are Windows XP Pro.

Logon Failure:

Event ID: 537

Reason: An error occurred during logon

User Name: %username%
Domain: %DomainName%
Logon Type: 3
Logon Process: Kerberos
Authentication Package: Kerberos
Workstation Name: -
Status code: 0xC00002EE
Substatus code: 0x0
Caller User Name: -
Caller Domain: -
Caller Logon ID: -
Caller Process ID: -
Transited Services: -
Source Network Address: -
Source Port: -

If you then look at the system log on the computers that those particular
users are loggin on from you get hundreds of these events.

These errors are occurring on the windows xp clients. If you look at the
Microsoft help. It says to check the registry

HKey_Local_Machine/software/microsoft/rpc/dcom_protocol

This string does not exist

Event ID:10009
DCOM was unable to communicate with the computer %ServerName% using any of
the configured protocols.

Now the first event only occurs for users that are getting this second
error. Are these two related.

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