Re: The Security System could not establish a secured connection with the server cifs/namedserver. No authentication protocol was available
From: Steven L Umbach (n9rou_at_nsattbi.com)
Date: 05/21/03
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Date: Wed, 21 May 2003 16:17:52 GMT
There is an issue with incompatible smb signing between W2K and XP
Pro. On the security options of the W2K server, make sure all four options
for "digitally sign client/server communications" are disabled for effective
settings,documenting your changes. Reboot server and try again. I am not
sure if this issue has been resolved via hotfix yet. If it has, please
someone let me know. -- Steve
"Bertrand" <tostain.PleaseNoMail@cogema.co.jp> wrote in message
news:ufkuaa3HDHA.588@TK2MSFTNGP10.phx.gbl...
> My PC is connected to the local area network of my office. I was
previously
> running Windows2000 SP3 on my PC.
> I recently upgraded to WindowsXP SP1 (HDD reformat and clean install).
From
> this day, I cannot loggon to my network folders hosted on our office
server
> (Windows2000 SP2 domain controler).
> In fact, I cannot access to ANY shared folder on this server. I could
> before.
> I have administrator's rights on the network.
>
> The error message I can see in the system event log, due to this, are
always
> the following 2:
>
> The Security System detected an attempted downgrade attack for server
> cifs/namedserver. The failure code from authentication protocol Kerberos
> was "There are currently no logon servers available to service the logon
> request. (0xc000005e)".
> then:
> The Security System could not establish a secured connection with the
server
> cifs/namedserver. No authentication protocol was available.
>
> Can one help me fix this problem ?
> Thanks in advance
> (I am still very novice in WindowsXP)
>
> Bertrand
> Tokyo, Japan
>
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- In reply to: Bertrand: "The Security System could not establish a secured connection with the server cifs/namedserver. No authentication protocol was available"
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