[cifs-protocol] [REG:120080321001822] LDAP connections have hard timelimit of one hour?

Bryan Burgin bburgin at microsoft.com
Mon Aug 3 17:39:10 UTC 2020


Hi Stefan,

Thank you for the question.  We created SR 120080321001822 To track this issue.  An engineer will contact you soon.

Bryan

-----Original Message-----
From: Stefan Metzmacher <metze at samba.org> 
Sent: Monday, August 3, 2020 7:54 AM
To: Interoperability Documentation Help <dochelp at microsoft.com>
Cc: cifs-protocol at lists.samba.org
Subject: [EXTERNAL] LDAP connections have hard timelimit of one hour?

Hi DocHelp,

I just debugged a problem where a Windows AD DC send the following message after exactly 1 hour:

 LDAPMessage extendedResp(0) (The server has timed out this connection)
     messageID: 0
     protocolOp: extendedResp (24)
     extendedResp
     resultCode: unavailable (52)
     matchedDN:
     errorMessage: The server has timed out this connection

The connection was used at least every minute and the last success was returned 2 seconds before this.

These are Windows 2019 DCs, is this special to them, or does this happen with any Windows Version?

I can't find anything related in [MS-ADTS]

Can you clarify this?

Thanks!
metze



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