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You are here: Home / Support / MicroSoft / Windows 7 error 86

Windows 7 error 86

October 28, 2009 By Robert Owen 25 Comments

Windows 7 & Windows 2000  –  Error 86 when mapping drives.

One of my upgrades this week to Windows 7 was from a Windows XP laptop. Following  the steps I outlined in my previous post the initial process was a breeze!  No problems at all!!  Simple, some would say,  and as everything else goes as soon as “they” said it was simple…  Something will break!  That’s just how it is… If something seems easy, it will be easy!  Until you TELL someone it was easy, then all bets are off!

In this instance the thing that broke for me was some basic drive mapping…  This person  had a Windows 2000 machine still in use.  Lots of hard drive space shared,  printers shared… etc, etc.  Well, when this laptop was upgraded to Windows 7,  every attempt at mapping the shared drives would end in a “username & password error”.   Knowing that I was using the correct username and passwords (I had reset them a couple of times) I attempted to map the drives via the command line and that is where I saw another error.

ERROR 86 (network password incorrect)… hmm same problem only now it’s slightly better because I had an error number, Google, and Bing.  And, having those three things,  you can find the answer to anything. 😎

Here’s what fixed the issue for my situation:

To solve this I needed to edit a Local Security Policy and set one of the entries to something other than “Not Defined” as it is on default.

First, enter the control panel, and in the top right, under ‘View by’ select ‘Large Icons’.  7-ctrl-panel

Then choose ‘Administrative Tools’, and then select ‘Local Security Policy.’

7-ctrl-2

A new window will appear and then choose ‘Local Policy’ on the left, then ‘Security Options’.

7-ctrl-3a

There will now be a large list of choices appear in the right window.  Scroll down and double click  Network Security: LAN Manager authentication level

A new window will oen. From the drop down menu select  Send LM & NTLM responses.  Then click the Apply button.

7-ctrl-4

Once I performed these steps,  I was able to map all  shared drives and Shared Printers on the Windows 2000 PC.

© 2009, Robert Owen. All rights reserved.

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Filed Under: MicroSoft, Support, Windows 7 Tagged With: Amp, Bing, double click network, Error, LAN Manager, local security, network password, password error, Security, Something, window scroll, Windows

Comments

  1. cory says

    March 16, 2010 at 2:29 pm

    Worked for me when my Windows 7 PC lost the ability to access network shares on a Win2k server. Thanks!

    Reply
    • Nelson Dario Florez says

      April 16, 2011 at 1:35 pm

      thank you very much for your support, it worked for me too.

      Reply
  2. Sean Cameron says

    March 17, 2010 at 5:47 am

    Thanks, that’s some seriously useful information, and solves an issue that I was having connecting to a Win2K server.

    Reply
  3. Gene says

    May 25, 2010 at 10:22 pm

    Thanks, this resolved an issue connecting to an xp workstation!

    Reply
  4. James says

    June 29, 2010 at 6:58 am

    Thanks a heap for this!

    WTF Microsoft?! What sort of default setting is that! I just love spending my time second guessing the decisions you make for me.

    Reply
  5. Roberto says

    December 23, 2010 at 7:23 am

    Great, finally the solution. Thank

    Reply
  6. Flavio says

    May 8, 2011 at 10:44 pm

    Thanks!! this resolved my problem to connecting to an xp workstation!!!! 🙂

    Reply
  7. JP says

    May 22, 2011 at 9:07 am

    on xp pro the apply button is ghosted out only ok button is available??????

    Reply
  8. Peter says

    July 7, 2011 at 7:36 am

    This is a great tip. I had this issue with a Terastation and always got this password error when trying to connect. Your solution solved the connection problem. +1 What was Microsoft thinking!?

    Reply
  9. Enric says

    October 3, 2011 at 7:56 am

    I’m not gay, but if i have you infront of me,….

    lot thank you.
    nice solution

    Reply
  10. JM says

    November 15, 2011 at 2:42 pm

    Great post, thanks for the help!

    Reply
  11. Hector says

    March 15, 2012 at 2:57 pm

    Gracias, tenia 3 dias que no entraba en 2 maquinas y con esta solucion entre de inmediato.

    HRM

    Reply
  12. Gabriel says

    March 22, 2012 at 11:53 am

    Excellent, its working

    Reply
  13. Isra says

    May 25, 2012 at 1:13 pm

    Hi. This works great for Windows 7 Enterprise but my problem is that i have a laptop with Windows 7 Home Premium and this OS has not the “Local Security Options” enabled so i cannot access the policies in order to change them. Any idea? Sorry for my broken english. Thanks.

    Reply
    • Robert Owen says

      July 24, 2012 at 7:33 pm

      I’ll give it a try on Windows 7 Home Premium or find another work around.

      Reply
  14. Luis Garcia says

    April 25, 2013 at 7:29 am

    Thank you so much for sharing this tip. It worked fine for Windows 7.
    Incredibly, My Laptop W7 worked fine yesterday. I could access to shared folders on a Windows 2000. This morning was no longer working. Windows Update had installed the KB2840149 security patch . I unistalled it and still did not work. I did the steps and it worked perfectly now.
    Tranks again.
    PS. sorry for my poor English.

    Reply
  15. Antonio Carlos says

    August 2, 2013 at 1:29 pm

    Thanks, Worked Server Linux Samba 2.x X Windows 7 not message : Error 86

    Reply
  16. Sergio says

    February 3, 2014 at 6:15 am

    Thanks, good howto. Worked for me in Windows 7 Pro.

    I don’t understand why in some computers isn’t required to do that but in other it is.

    Reply
  17. Hal says

    February 18, 2014 at 1:10 pm

    I know this is pretty old, but it worked perfectly connecting W7Pro to NT4. I know, ugh!

    Reply
  18. Antonio Moreno says

    June 25, 2014 at 5:46 am

    Many thanks! It worked like a charm.

    Reply
  19. Mazus says

    July 25, 2014 at 3:55 pm

    thanks, at last it works, all thanks to you.

    Reply
  20. Fede says

    August 7, 2014 at 10:13 am

    Muchas Gracias!!!!, se solucionó perfectamente

    Reply
  21. pete says

    April 4, 2016 at 2:45 am

    Excellent, its working 🙂

    Reply
  22. Federico says

    May 4, 2018 at 11:34 am

    Muchas Gracias!, que sería de los usuarios de Windows sin gente como vos

    Reply
  23. León says

    June 13, 2018 at 9:20 pm

    Funciono para Windows 7 , también descubrí que la PC tenia mal la fecha por eso daba el error.

    Muchas gracias.

    Reply

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Robert Owen A Horn Player turned salesman, turned Computer Consultant & Horn Player, Turn Network Engineer & Horn Player.... Well, How about a Horn player who does a lot of other stuff? More about me. FacebookInstagramLinkedInTwitter

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