April 30, 2014
April 30, 2014 – 5:52 pmI’ve dealt with this issue for quite a while, but never really recorded the info. Now that I forget more and more of these fixes, its time to start writing them down. I often have Linux servers with Samba shares, and some of these are still the older releases of Samba. This causes issues for Vista and Win7 clients that are trying to connect to them.
If its home versions, the fix there is to bring up regedit, navigate to “HKLM|System|CurrentControlSet|Control|Lsa”, create a new DWORD value called “LmCompatibilityLevel“, force it to decimal instead of the default hex value, and set it to “1”. If its the enterprise version, navigate to the same key, which already exists, and change the value from “3” to “1”. Once the key/hive is saved, everything works just fine.
In enterprise versions, this should also work :
- Run “secpol.msc” from Start|Run
- Navigate to “Security Settings”, “Local Policy”, “Security Options”, and the item is “Network Security : LAN Manager Authentication Level” key
- Set that to “Send LM & NTLM Responses”
After posting this, found two great links that show better than I did : http://wiki.digitus.de/en/LM_%26_NTLM and http://www.groupes.polymtl.ca/gchit/?page_id=238
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