If your problem is only with home drives then this will likely be because the 
users are logging on (not unlocking) outside of your network.
Drive Mappings configured via GPO or as in your case manually will persist when 
configured to - even if there is no network to pull the policies on logon.
However, home drive mappings configured in the user profiles don't. They are 
only created when logging on while on the network.

Regards,
Freddy

From: [email protected] [mailto:[email protected]] On 
Behalf Of Neil Standley
Sent: Thursday, 14 July 2016 6:39 AM
To: [email protected]
Subject: [NTSysADM] RE: Drive mappings disappearing

Check event logs perhaps it will shed some light on the issue.

Also take a look in the registry under HKEY_CURRENT_USER\Network
If the drives are set to use persistence then they will show up in this 
registry location. Eg, HKEY_CURRENT_USER\Network\Z
But if persistence is not enabled you will not see the drive listed.

http://sysadminslibrary.blogspot.com/2013/02/mapped-network-drives-in-windows-7.html


+1 on using GPOs to assign mapped drives:
https://blogs.technet.microsoft.com/askds/2009/01/07/using-group-policy-preferences-to-map-drives-based-on-group-membership/



Neil

From: [email protected]<mailto:[email protected]> 
[mailto:[email protected]] On Behalf Of Jimmy Tran
Sent: Wednesday, July 13, 2016 1:05 PM
To: [email protected]<mailto:[email protected]>
Subject: [NTSysADM] RE: Drive mappings disappearing

Windows 7 64 bit. The affected drive is not present. There is no way it will 
recover on its own. Its all manually mapped.

From: [email protected]<mailto:[email protected]> 
[mailto:[email protected]] On Behalf Of Neil Standley
Sent: Wednesday, July 13, 2016 12:31 PM
To: [email protected]<mailto:[email protected]>
Subject: [NTSysADM] RE: Drive mappings disappearing

What is the client OS?

When you go in to computer and check the mapped drive, is it still present or 
has it completely disappeared?

Is there any scenario that the mapped drive will recover? IE, user 
logoff/logon, or rebooting the laptop.


Neil

From: [email protected]<mailto:[email protected]> 
[mailto:[email protected]] On Behalf Of Jimmy Tran
Sent: Wednesday, July 13, 2016 12:06 PM
To: [email protected]<mailto:[email protected]>
Subject: [NTSysADM] RE: Drive mappings disappearing

I'm going to reply to all the responses here, starting with this one:

One is mapped by the home drive of the user profile. The other two are manual 
drive mappings set to reconnect.

No VMware is involved.

I get requests about broken links when users are on and off the network. No 
certainty of when the mapped drive actually disappears. UNC path will work.

Offline files are not enabled

No media readers. Using Lenovo T450S laptops.


From: [email protected]<mailto:[email protected]> 
[mailto:[email protected]] On Behalf Of James Rankin
Sent: Wednesday, July 13, 2016 11:06 AM
To: [email protected]<mailto:[email protected]>
Subject: [NTSysADM] RE: Drive mappings disappearing

How are the drives mapped? Group Policy Preferences? If they are, there should 
be an event logged indicating why the mapping failed.

From: [email protected]<mailto:[email protected]> 
[mailto:[email protected]] On Behalf Of Jimmy Tran
Sent: 13 July 2016 18:45
To: [email protected]<mailto:[email protected]>
Subject: [NTSysADM] Drive mappings disappearing

Randomly I get certain users who call saying their network drive mapping 
shortcuts don't work from their desktop. When checking the network drive 
mappings, the mapping itself seems to be been deleted. Once we manually remap 
the drive, the shortcut works again. Any idea why/how the drive mappings get 
removed? I have no idea what could cause this and the users are starting to get 
annoyed.


*         There are no logon or logoff scripts on the domain

*         The users are on laptops and often take their laptops off the network

*         There are 3 drive mappings. One of them is mapped by the home drive 
property from AD. Usually only one is missing at any given time.

*         The users definitely didn't delete the mappings

Thanks,

Jimmy
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