windows 7 stops sharing files

seppe · Mar 15, 2010

I have a computer with windows 7 ultimate.

There are some shared folders and printers on this machine.
This setup looks to work fine but suddenly the sharing stops. If i reboot the pc, it works again.
The pc never goes in some kind of sleep modus.

Does somebody have an idea for a solution?

Thanks in advance

Seppe

Desslok · Mar 15, 2010

Are you setting up a Homegroup or workgroup?

seppe · Mar 15, 2010

a workgroup

brady · Mar 15, 2010

Are you sharing drives or just folders?

If you wouldn't mind, could you explain a bit about how you are 'sharing' these directories?

seppe · Mar 16, 2010

I tried both, sharing drives (c

and share folders (c:\data).

I can try to explain, but have to do it from my memory as I am not at the location where I have this problem.
To share I rightclick the folder, choose properties - sharing. I click on "advanced permissions" and give everyone full control.
I made sure all computers are in the workgroup "workgroup".

In the sharing options of windows 7 i turned off password protected sharing. All the rest is on if i remember well.

Is this the info you needed

brady · Mar 16, 2010

ok so after you shared either the drive or folder, it worked correctly?

When you noticed it 'stopped sharing' did you have any other issues? ex: no internet, error icon on your sys tray? anything like that?

Can you check your event logs in system and application? Look for red x's and tell me if you find any.

seppe · Mar 17, 2010

I'm not at that computer now but probably i will be able to check the eventlog tommorow.
Yes it worked after configuring the "server". When it stops working, it always works again when i reboot the server.

To make sure, you want me to check the eventlog of the client or the server?

brady · Mar 17, 2010

both now. Due to you having to "reboot" the 'server', then I am curious to see the 'servers' log too.

seppe · Mar 22, 2010

On the server i found err id 2017 with source serv.

I googled on this errcode and found it can be solved by modifying registry.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters\size was on 1 and had to be changed to 3.

It looks like it is working now.

Thanks for all your help.

CommonTater · Mar 22, 2010

seppe said:
On the server i found err id 2017 with source serv.

I googled on this errcode and found it can be solved by modifying registry.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters\size was on 1 and had to be changed to 3.

It looks like it is working now.

Thanks for all your help.

Thanks for this... It may solve a problem I was having too.

update: Fixed my problem too!

masterm1nd · Mar 25, 2010

Cannot Set Up Administrative Shares

In windows 7 there is a way to set up Administrative shares between computers so that you can access the computers on the network via

\\computername\c$

c being the drive name, like C:\

When I try to access it like that it asks me for password and username, and when I try to connect from another comp I am connecting to it just doesn't do anything..

It doesn't work. Changing HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System.
LocalAccountTokenFilterPolicy to 1,

as mentioned in many, if not all, posts on the net, simply doesn't work

I followed all instructions said here

http://blog.hansmelis.be/2009/09/06/administrative-shares-in-windows-7/

To No Avail

Please, help me! what am I missing?

Note I set up File and Printer Sharing to On.

SYSDBA · Oct 12, 2011

Settings to resolve Windows 7 Share and Admin Share Issue

After all this below, and even making some changes using secpol.msc settings, local Security policy, the final answer was to change the password on all nodes, and this apparently cleaned out the blocked cache.
The quirky issue I had to solve was existing admin shares (C$, D$, etc worked beautifully until one day some windows update changed it, for it stopped working on 3 machines, but 2 additional nodes tested could access the shares at the same time that the other 3 could not. All nodes had the same user with the same pw when it suddenly quit working. It simply came up with a credential prompt and when logging in, it came back with error message of simply incorrect password. This is logging in and testing 3 ways in a workgroup (remotenodename\user, localnode\user and just user)

For these shares to be used in a workgroup environment, the same user must exist on all nodes, and apparently the SIDs match across nodes, but the passwords do not have to be the same. If the pw’s are not the same, then this will force credential prompts when typing for example: Start--> Run--> \\nodename\c$ instead of just opening it, which of course is not as convenient. But apparently Win7 can cache credentials if set up in secpol.msc, but this cache I think is where the turd needed to be flushed to fix this issue by the final step of simply changing the password on all nodes to the same.

( :banghead:not totally sure of this, but I will test, when I have another 5 hours of unbilled time to account for, after blowing it fixing this nerve myelin-sheath ripping time waster. SYSDBA

(hope this post helps you avoid some blockage in the pipes)

Administrative shares and share issues in Windows 7
Those who have experience with NT-based operating systems on a network will certainly be familiar with the concept of administrative shares. You access them like \\computername\c$ and only pups don't know about them. We would be alarmed (no, pissed) or enter panick mode fearing they might be gone in Win7. Once upon a time not too long ago, as an example of the need for admins and their admin shares, some nutcase justifying his existence tried to remove all admin shares at a large company I worked at, claiming Sarbanes Oxley said so, (yeah right, read the Bill, it does not even go near that deep).

Windows 7 still creates the administrative shares on install, but you can't use them out of the box. First of all, you need to have File and Printer Sharing enabled. And the way to do that has once again been changed:

1.Open the control panel.
2.Go to Network and Internet.
3.Go to Network and Sharing Center.
4.In the left column, click on Change advanced sharing settings.
5.There are two profiles. You probably don't want this on when you're on a public network so open Home or Work.
6.Under the header File and Printer sharing, select the Turn on... option.
And now your administrative shares still don't work You've just completed step 1 which implies there's at least a step 2 and here it is: you also need to change the registry.

This also works in windows Server 2008
1.Click on the orb (= the round button with the Windows logo in the taskbar) and type regedit in the search box.
2.Open the registry editor.
3.Navigate all the way to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System.
4.Right-click in the pane on the right side and add a new DWORD (32-bit).
5.Give the new setting the name LocalAccountTokenFilterPolicy.
6.Double click on that setting and give it a value of 1.
It's probably wise to reboot after doing this, although it might not be needed. I'm not sure if it works straight away because I rebooted without trying.

Anyways, if you're lucky you will be able to access administrative shares after performing these steps. If you're unlucky, like me, doing all these things appears to have zero effect at all. Once again don't panick, because there's another hint/tip/solution coming your way.

Somewhere at some point during the installation or configuration of Windows 7, you will be asked to do something with a thing called Homegroup. It's some weird new sharing tool that looks OK but isn't quite what you're used to. Once you have enabled that feature, you won't be able to use the administrative shares. So the tip is: disable the homegroup feature.

1.Open the control panel.
2.Go to Network and Internet.
3.Go to HomeGroup.
4.Click on the blue link Leave the homegroup.
The popup dialog should point out itself, but I believe I picked to first option. Once I had left the homegroup, the administrative shares started working again.
*****************************
secpol.msc settings
click the start button and type secpol.msc in the search function, or start run(always works in search function) or can use gpedit.msc and then go to security policy.
Browse to "Local Policies" -> "Security Options". Now look for the entry "Network Security: LAN Manager authentication level" and open it. Click on the dropdown menu and select "Send LM & NTLM - use NTLMv2 session security if negotiated". Apply the settings.
In the Advanced sharing settings page of Network and sharing center, you need to have it set as Work/Home profile. Try
-Enable network discovery
-Turn on file and print sharing
-Turn off password protected sharing
-Use user accounts and passwords to connect to other computers
The other settings such as encryption I have set as use 128 bit encryption.
Please check related policies.
1. Enter “gpedit.msc” in the Start Search box.
2. Open “Computer Configuration”/Windows Settings/Security Settings/Local Policies/Security Settings.
3. In the right pane, enable the following policies:
Network access: Allow anonymous SID/name translation
Network access: Let Everyone permissions apply to anonymous users
Also please disable the following policies.
Network access: Restrict anonymous access to Named Pipes and Shares
Network access: Do not allow anonymous enumeration of SAM accounts
Network access: Do not allow anonymous enumeration of SAM accounts and shares

windows 7 stops sharing files

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