Windows 7 Client and CIFS

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jsonnabend

I am in the middle of transitioning my law practice to Alfresco.  Alfresco is installed and running an an XP-SP2 server.  CIFS is configured and running.  I can access my Alfresco files via Windows Explorer on my XP clients.  I have one Windows 7 client, however, and I can't access Alfresco via CIFS on that machine.

On the Win7 client I can ping the Alfresco virtual host, and I can navigate to a blank host window in Windows Explorer.  When I try to navigate to "<serverA>\alfresco", I get a "Windows cannot access" error.

Anyone see and solve his problem before?  I have searched the forums and seen discussions but no solutions.

TIA

- Jeff

resplin

Are you trying to use NTLM to authenticate?

There is increased default security in Windows 7 (and Vista  and Windows2008) that will only negotiate NTLMv2, whereas Alfresco only understands NTLMv1. Previous versions of Windows (XP) would drop back to NTLMv1 if NTLMv2 failed.

* On Windows 7, go to Control Panel->Administrative Tools->Local Security Policy.

* In the left pane, navigate to Security Settings->Local Policies->Security Options.

* In the right pane, find "Network Security: LAN Manager authenication level".

* By default, it's set to "Send NTLMv2 response only. Refuse LM & NTLM". Try setting it to "Send LM and NTLM - use NTLMv2 session security if negotiated".

This will allow Windows 7 to use the more secure NTLMv2 when available, but drop down to NTLMv1 for Alfresco.