Network drives randomly disconnecting, unable to reconnect

I have been having an issue with network drives randomly disconnecting. When I try and reconnect using the Connect to Server dialog, the share is greyed out. My current workaround has been to open up terminal and run umount /Volume/Share_Name, and I am able to connect again afterwards. This is happening multiple times a day, and across multiple servers. I have poked around the forums and seen some people with similar issues, but the solution of connecting with cifs:// instead of smb:// has not made any difference.

which ultimately means apple didn't do enough testing before releasing the last patch
This is not always, and may not be, the case. What many don't realise is that many 3rd party developers stray from the 802.11 series specifications in an attampt to boost speed and get one up on their competitors. For instance D-Link, amongst others, use a short preamble setting by default in some of their routers to improve performance. However, this is non-standard and when it comes across wireless network adapters that don't support this then you have problems. They assume that their network adapters are being used for "maximum speed and compatibility". Whether Apple should or should not support a short preamble is another subject altogether.
However, I do agree with you in that Apple should put more work into their Airport software.

Similar Messages

USB Drives Randomly Disconnect and then Reconnect

On my laptop I have a USB drive where I keep all of my data. It is always plugged in while the laptop is in use. However a number of times the USB drive disconnects itself and then immediately reconnects. I get the notification that my Y drive has been connected. This causes problems for my synchronization application that constantly monitors changes on my C drive. I have changed all of the Power options that prevent the drive from powering down when not in use but the problem still happens. This problem happens on all of my USB ports. The external drive is a Western Digital My Passport 2 TB drive. This problem is getting to be a real nuisance. I have only had the laptop for 5 months. In searching the internet there seems to be a lot of people that have been having this problem but I couldn't find a suitable solution. I never had this problem with any previous laptops that used this external drive. The laptop is running Windows 8.1 with 12 GB RAM and a 1 TB hard drive. This is the operating system that was installed on the laptop when I purchased it. Has anyone found a fix for this type of problem? Thanks,Joyce

This is a known bug and Microsoft are working on a fix. They plan to fix this before Firefox 4 reaches release candidate phase.
A workaround is to change a preference in Firefox:
# Type '''about:config''' into the location bar and press enter
# Accept the warning message that appears, you will be taken to a list of preferences
# Locate the preference '''html5.enable''' and double-click on it to change its value to '''false'''
If you do this, remember to set the preference back to true by double-clicking on it again when Firefox 4 release candidate is made available, the bug should be fixed by then.

Network Adapter randomly disconnects

I have a Thinkpad T60p with a 3945abg network adapter. The adapter works fine when I'm connected to a non-secured router, but randomly disconnects when connected to a WPA-2 protected router. Is there an updated driver to prevent this from happening. Thanks in advance for any suggestions. rjoeng1

Yes, it is normal. A lot of times, routers security is not compatible with wireless card. You have to keep changing setttings in router firmware until you find the best settings. Good luck.
Rafiq
Microsoft and Apple certified professional.

Is there a way to get automator to turn off dropbox if my external drive is disconnected and possibly reconnect drive and restart dropbox?

I am using my Time capsule to contain my iPhoto and some larger image folders as I have a 128gb macbook air.
I use dropbox to backup these folders using a program called MacFropAny to create links to these folders on the ext drive.
All works well until the drive is not there and dropbox has a fit and starts to delete all my folders (75gb worth)
This gets quite frustrating... I have an automator script that runs on log in to make sure that the drive is connected, this is cool, but I would like something that says something like:
if drive is disconnected > close dropbox if open > attempt to reconnect drive > if drive is reconnected restart dropbox
Is this possible to have an automator script that "listens" for a drive being disconnected and then run?
Many thanks in advance.

Yes. Sign in to the iTunes store, click below Quick Links where it says Purchased and start downloading your previous purchases.
If you have content on an iPod then this is an alternative approach:
Recover media from iPod
See this post from forum regular Zevoneer for options on moving your iPod data back to your computer.
tt2

USB drive randomly disconnects (and causes deep traversal in Time Machine)

I have two external drives connected through a USB hub and they get sometimes randomly disconnected. Sometimes when I plug the drives in, only one appears on the desktop. Then I unplug them, plug them back in and just the other drive appears.
The other problem is that I back up one of the drives to the other using Time Machine and when the drive disappears by itself, Time Machine needs to perform deep traversal of the whole drive AND backs up the whole drive from scratch (see the console log below).
Any suggestions are appreciated!
Thanks,
Peter
8/5/08 Aug 5, 7:20:33 PM /System/Library/CoreServices/backupd[27374] Node requires deep traversal:/Volumes/monster reason:kFSEDBEventFlagMustScanSubDirs|
8/5/08 Aug 5, 7:24:31 PM /System/Library/CoreServices/backupd[27374] Starting pre-backup thinning: 203.69 GB requested (including padding), 43.57 GB available
8/5/08 Aug 5, 7:24:31 PM /System/Library/CoreServices/backupd[27374] No expired backups exist - deleting oldest backups to make room

The USB hub could have a problem (or not enough power); try connecting the drives directly to the Mac and see what happens. Is it a powered USB hub, and are the drives self-powered (i.e. each drive gets its own power from a wall socket/surge protector)?

External hard drive keeps disconnecting and then reconnecting

External hard drive on Time Machine, running via USB keeps disconnecting. Get the pop us that the drive wasn't disconnected properly. This Mac is brand new as is the hard drive. It is a Seagate 1T Free Agent.
After a minute or two it reconnects. I've run Seagate diagnostics and it says the drive is fine.
Any suggestions?

See #A1 in [Time Machine - Troubleshooting|http://web.me.com/pondini/Time_Machine/Troubleshooting.html] (or use the link in *User Tips* at the top of this forum), for a handy widget that will display the backup messages from your logs.
See what that shows; there may be a problem with the backup, which results in TM ejecting the drive. If so, the disconnect may be a symptom, not a cause. If so, see #C2 there. If not, or if you're not sure, copy and post them here.
Also, to rule out other USB problems, disconnect everything but keyboard and mouse; connect the drive directly to your Mac (no hub).
Make sure all connections are snug and secure.
Try other ports, cables, and combinations of the two (a plug that works fine in one port may not make good contact in another one, and throw intermittent errors).

Portabe USB hard drive random disconnects

I recently purchased a Canvio 1TB portable hard drive. It occasionally disconnects itself from the computer, seemingly at random, without me touching the drive or cable. My old 320GB USB 2 hard drive, with a double cable, never does this. Do I just need a double USB 3 cable, or is there something else going on?

I recently purchased a Canvio 1TB portable hard drive. It occasionally disconnects itself from the computer, seemingly at random, without me touching the drive or cable. My old 320GB USB 2 hard drive, with a double cable, never does this. Do I just need a double USB 3 cable, or is there something else going on?

Network drives disconnecting automatically

I am running Snow Leopard 10.6.8 on a Mac Pro. It is on a network. I connect to certain servers when I log in, after about 15-20 minutes the network drives automatically disconnect and the internet stops working. I am also running a Windows emulator which is connected to the same drives and has working internet even after the Mac side has disconnected and internet drops out... Any help would be much appreciated.

See if you can take VM out of the picture.
Fusion? Parallels 7? VB?

Network Drives Losing Connection from Server 2012 to Windows 7 64bit Machines

I have about 20 users at my facility and recently upgraded our server from one running server 2003 to one running server 2012. Since that occurred, I have had numerous issues that I did not encounter on the old server.
Lately, users have been losing connection to the shared network drives randomly and constantly. The drives will come back on-line on their own but it could be 2 minutes or 30 minutes before they do and when users are in the middle of working on a document
from the network, they are unable to save until the drive comes back. Manually disconnecting and re-mapping them works sometimes but then the problem will re-occur. I have tried re-doing the shares and security settings and run a couple of supposed hotfixes
on the client side and the server side to no avail.
Now our regional office is suggesting that I re-connect the old server and then rebuild the new one with server 2008 r2, something I would like to avoid if possible.
I feel like this is a simple setting that I am missing, no conditions have changed except for the new server.
The server is a Intel Xeon CPU E5-2609 2.40GHz with Server 2012 64 bit on it. All computers (except on on 32 bit) are running Windows 7 Enterprise edition 64 bit.
Please help.

I made this change to the registry on the server and am waiting to see if I have any more drops.
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters
Value:
autodisconnect
Data
type : REG_DWORD
Value:
ffff (Hex)
There was a client side change suggested but I am missing that value for the client side change and others in the organization who don't have it are not experiencing this problem.

Unable to Disconnect (Eject) Network Drive (Share) 10.4.8

Help, please.
Background:
We are running a MacMini in our office that has SAMBA running to share files across both mac and pc space. Works fine, never have a problem with it.
Problem:
However, since the update to 10.4.8, I have now seen (about 4-5 times) the following problem: After being logged onto the Samba Network Share (Network Drive) for the workday (using Airport), the client machine is unable to eject/disconnect the share. In the end, the finder hangs so bad, that we have to power off the mac.
Regression:
(1) I have seen this problem on both a TiBook (10.4.8) and a 1 week old MacBookPro 15.4".
(2) Typically, on first attempt to eject the network drive, I get the finder response that the drive is busy and cannot be ejected. I can quit all open applications, but this does release the drive.
(3) On the second/third attempt, I continue to get the same error message. I can sleep the machine, but I still can't eject the drive. On occasion, the finder hangs and I get spinning BBOD.
(4) On one occasion, I was able to shut Airport off and after a LONG wait, the finder gave up and disconnected the drive (this is similar to how it used to behave in 10.4.7. Not wonderful, but slow and functional).
(5) However, the last few times when Airport was disconnected (or the machine was sleeped and then awoken elsewhere) the spinning BBOD remained and the finder was completely unresponsive. In this case, I am unable to even force quit the finder, turn airport back on, or anything at all. This results in me having to force power off the machines...an embarrasment for a mac enthusiast.
Questions:
(1) Any thoughts?
(2) Is there a command line tool that allows me to "snoop" and figure out which process is tying up the network shares?
(3) After the force power-off, which logfile or crashreporter should I be looking at so that I can send it in to help track the problem down?
Thanks all!
TiBook Mac OS X (10.4.8) Also seen on MacBookPro 15.4"

BDAqua,
Thanks for the link to Applejack. I've run it twice (once manual, and once in full AUTO deep clean). It fixed some pref's, but didn't find any problems with the disk or anything.
Let's see where that puts us...
Further Regression
(1) I can re-create the problem by inserting a CD-ROM or connecting to a network SAMBA share.
(2) On a FRESH BOOT, I can eject, re-insert and eject the CD-ROM with no problem at the login screen. However, once I've logged into an account (any account will do), I am no longer able to eject the CD even if I log back off.
(3) I have noticed that when I try to eject the CD-ROM I get another instance of diskarbitrationd launching (for 2 instances total). Not sure if this is normal or not.
(4) I have tried to run "sudo diskarbitrationd -d" from terminal to get some debug info, but it always responds with "service is already running". Even a -SIGHUP won't allow me to relaunch diskarbitrationd (since it autolaunches immediately)
(5) I trolled through /var/log for anything interesting but could only find something in the system.log. Mar 8 08:37:22 MyDrive kernel[0]: disk0s3: I/O error. The interesting thing is disk0s3 is my internal drive.
(6) I took a look at pdisk to see what I could see. rdisk0s3 is definitely the main partition on my internal HD. It is unable to read the partition map of the CD (rdisk1). I'm not sure if this is normal for CD-ROMs or not.
(7) I've trolled through /etc/mach_init.d and a few other places where diskarbitrationd things lie. Not sure what to look for but didn't find anything interesting.
So....if anybody has an idea on what service to look at or try to get debug info out of (or how to get diskarbitrationd to actually enter debug mode...) I'd be hella thankful.
-Red

NSS6000: unable to map as a network drive in Win7pro

I have setup my NSS6000 through the web browser interface (setup RAID5, created a volume, created a share (using CIFS protocol), and created a couple usernames). Now I am trying to map my share as a network drive and it is not working.
I select Map a Network Drive in My Computer, select a drive letter, enter its ip address as "\\192.168.0.xxx" in the folder line, and check the boxes for "Reconnect at logon" and "Connect using different credentials"
After entering all this info, a logon screen appears asking me for a username and password. I enter the username and password for a username I created through the web interface. After a few seconds, the logon window reappears. I try my username/password again, this continues 3-4 times and then finally it says "Windows cannot access \\192.168.0.xxx"
I have gotten error codes of 0x80070035 (The network path was not found). Also, when I select "Diagnose" after getting the "Windows cannot access" popup box, it sometimes tells me "The device or resource (192.168.0.xxx) is not set up to accept connections on port "The File and printer sharing (SMB)"."
I can see the device in the Network window of My Computer (listed under "Other Devices" as NAS00xxxxxxxx). I can also continue to access it via the ip address through the web interface.
Some things I have tried:
entering the MAC address instead of the IP address (\\NAS00xxxxxxxx) as the folder
entering \\192.168.0.xxx\nas as the folder (nas is the name of the share I created)
entering my username as both "NAS00xxxxxxxx\username" and just as "username"
entering my adminstator login credentials for the web browser interface as the username/password, as opposed to a username I created within the web interface
Not checking the "Connect using different credentials" box
I can't believe this is so difficult. Can anyone help me solve this? Thanks

Thanks for the tips - here's what I did and the results
Created a new username on through the web interface; changed the hostname to "nasbox"; rebooted the NSS6000; rebooted the pc while the NSS was booting; logged on to the pc with a generic username (not admin or administrator)
tried again to map it as a network drive - specified \\192.168.0.xxx\nas as the folder name (again, "nas" is the name of the share I created on the device), selected the checkbox for "Connect using different credentials". Clicked finish, box for username/password pops up. I enter the new username/password I created - same result. No joy.
Results from nbtstat -c:
Local Area Connection:
Node IpAddress: [10.0.1.xx] Scope Id: []
No names in cache
Local Area Connection 2:
Node IpAddress: [192.168.0.abc] Scope Id: []
NetBIOS Remote Cache Name Table
Name              Type       Host Address    Life [sec]
192.168.0.xxx <20> UNIQUE          192.168.0.xxx       407
NASBOX         <20> UNIQUE          192.168.0.xxx       467
The 10.0.1.xx connection is my internet connection; the 192.168.0.abc is the address of my second ethernet card which connects to my managed switch (which the NSS6000 is connected to)
Results from ping -a 192.168.0.xxx
Pinging NASBOX [192.168.0.xxx] with 32 bytes of data:
Reply from 192.168.0.xxx: bytes=32 time<1ms TTL=64
Reply from 192.168.0.xxx: bytes=32 time<1ms TTL=64
Reply from 192.168.0.xxx: bytes=32 time<1ms TTL=64
Reply from 192.168.0.xxx: bytes=32 time<1ms TTL=64
Ping statistics for 192.168.0.xxx:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms
I couldn't find a button to enable logging, but I did find a page of logs (I'm guessing this is a firmware change) - here's the one called "CIFS Logs" - the timestamps from 23:02:13 are from the reboot; the ones from 23:04:32 are me trying to map it as a drive (I assume...)
May 2 23:02:13 nasbox smbd[3851]: [2011/05/02 23:02:13, 0] smbd/server.c:main(944)
May 2 23:02:13 nasbox smbd[3851]: smbd version 3.0.28a started.
May 2 23:02:13 nasbox smbd[3851]: Copyright Andrew Tridgell and the Samba Team 1992-2008
May 2 23:02:13 nasbox winbindd[3342]: [2011/05/02 23:02:13, 1] nsswitch/idmap_tdb.c:idmap_tdb_alloc_init(397)
May 2 23:02:13 nasbox winbindd[3342]: idmap uid range missing or invalid
May 2 23:02:13 nasbox winbindd[3342]: idmap will be unable to map foreign SIDs
May 2 23:02:13 nasbox winbindd[3342]: [2011/05/02 23:02:13, 0] nsswitch/idmap.c:idmap_alloc_init(750)
May 2 23:02:13 nasbox winbindd[3342]: ERROR: Initialization failed for alloc backend, deferred!
May 2 23:02:13 nasbox smbd[3851]: [2011/05/02 23:02:13, 0] auth/auth_util.c:create_builtin_administrators(792)
May 2 23:02:13 nasbox smbd[3851]: create_builtin_administrators: Failed to create Administrators
May 2 23:02:13 nasbox winbindd[3342]: [2011/05/02 23:02:13, 1] nsswitch/idmap_tdb.c:idmap_tdb_alloc_init(397)
May 2 23:02:13 nasbox winbindd[3342]: idmap uid range missing or invalid
May 2 23:02:13 nasbox winbindd[3342]: idmap will be unable to map foreign SIDs
May 2 23:02:13 nasbox winbindd[3342]: [2011/05/02 23:02:13, 0] nsswitch/idmap.c:idmap_alloc_init(750)
May 2 23:02:13 nasbox winbindd[3342]: ERROR: Initialization failed for alloc backend, deferred!
May 2 23:02:13 nasbox smbd[3851]: [2011/05/02 23:02:13, 0] auth/auth_util.c:create_builtin_users(758)
May 2 23:02:13 nasbox smbd[3851]: create_builtin_users: Failed to create Users
May 2 23:02:13 nasbox winbindd[3342]: [2011/05/02 23:02:13, 1] nsswitch/idmap_tdb.c:idmap_tdb_alloc_init(397)
May 2 23:02:13 nasbox winbindd[3342]: idmap uid range missing or invalid
May 2 23:02:13 nasbox winbindd[3342]: idmap will be unable to map foreign SIDs
May 2 23:02:13 nasbox winbindd[3342]: [2011/05/02 23:02:13, 0] nsswitch/idmap.c:idmap_alloc_init(750)
May 2 23:02:13 nasbox winbindd[3342]: ERROR: Initialization failed for alloc backend, deferred!
May 2 23:02:13 nasbox smbd[3851]: [2011/05/02 23:02:13, 0] auth/auth_util.c:create_builtin_administrators(792)
May 2 23:02:13 nasbox smbd[3851]: create_builtin_administrators: Failed to create Administrators
May 2 23:02:13 nasbox winbindd[3342]: [2011/05/02 23:02:13, 1] nsswitch/idmap_tdb.c:idmap_tdb_alloc_init(397)
May 2 23:02:13 nasbox winbindd[3342]: idmap uid range missing or invalid
May 2 23:02:13 nasbox winbindd[3342]: idmap will be unable to map foreign SIDs
May 2 23:02:13 nasbox winbindd[3342]: [2011/05/02 23:02:13, 0] nsswitch/idmap.c:idmap_alloc_init(750)
May 2 23:02:13 nasbox winbindd[3342]: ERROR: Initialization failed for alloc backend, deferred!
May 2 23:02:13 nasbox smbd[3851]: [2011/05/02 23:02:13, 0] auth/auth_util.c:create_builtin_users(758)
May 2 23:02:13 nasbox smbd[3851]: create_builtin_users: Failed to create Users
May 2 23:02:13 nasbox winbindd[2571]: [2011/05/02 23:02:13, 0] nsswitch/winbindd_passdb.c:sid_to_name(130)
May 2 23:02:13 nasbox winbindd[2571]: Possible deadlock: Trying to lookup SID S-1-1-0 with passdb backend
May 2 23:02:13 nasbox winbindd[2571]: [2011/05/02 23:02:13, 0] nsswitch/winbindd_passdb.c:sid_to_name(130)
May 2 23:02:13 nasbox winbindd[2571]: Possible deadlock: Trying to lookup SID S-1-5-2 with passdb backend
May 2 23:02:13 nasbox winbindd[3342]: [2011/05/02 23:02:13, 1] nsswitch/idmap_tdb.c:idmap_tdb_alloc_init(397)
May 2 23:02:13 nasbox winbindd[3342]: idmap uid range missing or invalid
May 2 23:02:13 nasbox winbindd[3342]: idmap will be unable to map foreign SIDs
May 2 23:02:13 nasbox winbindd[3342]: [2011/05/02 23:02:13, 0] nsswitch/idmap.c:idmap_alloc_init(750)
May 2 23:02:13 nasbox winbindd[3342]: ERROR: Initialization failed for alloc backend, deferred!
May 2 23:02:13 nasbox smbd[3851]: [2011/05/02 23:02:13, 0] auth/auth_util.c:create_builtin_administrators(792)
May 2 23:02:13 nasbox smbd[3851]: create_builtin_administrators: Failed to create Administrators
May 2 23:02:13 nasbox winbindd[3342]: [2011/05/02 23:02:13, 1] nsswitch/idmap_tdb.c:idmap_tdb_alloc_init(397)
May 2 23:02:13 nasbox winbindd[3342]: idmap uid range missing or invalid
May 2 23:02:13 nasbox winbindd[3342]: idmap will be unable to map foreign SIDs
May 2 23:02:13 nasbox winbindd[3342]: [2011/05/02 23:02:13, 0] nsswitch/idmap.c:idmap_alloc_init(750)
May 2 23:02:13 nasbox winbindd[3342]: ERROR: Initialization failed for alloc backend, deferred!
May 2 23:02:13 nasbox smbd[3851]: [2011/05/02 23:02:13, 0] auth/auth_util.c:create_builtin_users(758)
May 2 23:02:13 nasbox smbd[3851]: create_builtin_users: Failed to create Users
May 2 23:02:13 nasbox winbindd[2571]: [2011/05/02 23:02:13, 0] nsswitch/winbindd_passdb.c:sid_to_name(130)
May 2 23:02:13 nasbox winbindd[2571]: Possible deadlock: Trying to lookup SID S-1-1-0 with passdb backend
May 2 23:02:13 nasbox winbindd[2571]: [2011/05/02 23:02:13, 0] nsswitch/winbindd_passdb.c:sid_to_name(130)
May 2 23:02:13 nasbox winbindd[2571]: Possible deadlock: Trying to lookup SID S-1-5-2 with passdb backend
May 2 23:04:32 nasbox nmbd[2562]: [2011/05/02 23:04:32, 0] nmbd/nmbd_namequery.c:query_name_response(109)
May 2 23:04:32 nasbox nmbd[2562]: query_name_response: Multiple (2) responses received for a query on subnet 192.168.0.xxx for name WORKGROUP<1d>.
May 2 23:04:32 nasbox nmbd[2562]: This response was from IP 192.168.0.abc, reporting an IP address of 192.168.0.abc.
((note that 192.168.0.xxx is the address of the NAS; 192.168.0.abc is the Win7 pc))

Impossible to reconnect all network drives

H there,
On my Windows 8, I have defined 3 network drive (from my NAS), and although I am checking the box to save the credentials (which are different on the NAS and on Windows), at each reboot of the laptop it tells me it can not reconnect all network drives, and
I see a red cross on the map.
How can I solve this, As I am SURE the remote drivs are available ( and when I click the "disconnected drive", it ask for th elogin and PW, I enter it and it works ... but I need to do that manually all the time)
Thanks !

Hi,
Regarding you issue, remapping drivers in logon script is a better way.
To map network driver, you can refer to this article below:
http://www.itninja.com/blog/view/mapping-drives-in-logon-scripts-is-there-a-better-way
Note Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.
Thanks!
Andy Altmann
TechNet Community Support

I have two problems with my 2012 13" MacBook Pro. 1. Gray screen shows at startup 2. Randomly disconnects from network. Any help will be greatly appreciated.

I have two problems with my 2012 13” MacBook Pro.
Gray screen shows at startup
Randomly disconnects from network.
Any help will be greatly appreciated.

First, open Terminal in your Utilities folder and paste this into the prompt line:
sudo update_dyld_shared_cache
Press RETURN. You will be prompted to enter your admin password which will not be echoed to the screen. Press RETURN again.
Next, boot the computer into Safe Mode.
Next, do the following:
Reinstalling Lion/Mountain Lion Without Erasing the Drive
Boot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the main menu. Repair the Hard Drive and Permissions as follows.
When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the main menu.
Reinstall Lion/Mountain Lion: Select Reinstall Lion/Mountain Lion and click on the Continue button.
Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is three times faster than wireless.

Some clients keep disconnecting the Mapped network drive

I'm sure you've already done this but is the "reconnect at logon" box checked.

Hi,
this is my first time asking a question so hope I'm being clear on my problem. We have a Domain running 2008 R2 under a VMware server. The domain is at 192.168.1.25 We have a file-server at 192.168.1.20 (T:). On a few Windows 7 Pro laptops the network drive (T:) keeps disconnecting. It's not showing at all. I can remap it using the network path but when these few clients reboot it goes away again. Only happening on maybe 5 out of 50 clients. This has just started today. I've already rebooted the whole Vmware server and restarted the individual servers and it's still happening. Any ideas?
Thanks for any input.
Charlie
This topic first appeared in the Spiceworks Community

All mounted network drives disconnect after sleep

10.4, airport, powerbook.
All network (SMB) drives connect fine manually. They also reconnect after after login (modified login items). However, they will not persist after sleep.
After this powerbook sleeps, ALL network drives are dropped and have to be manually reconnected. Why?
I've seen this question asked about 20 times out here, but never answered.

Thanks for the reply, Tim.
However - this is a serious SMB functionality issue. Just with OS-X. Not even Linux will misbehave like this.
I have 8 (eight) drives that I need mounted - all over the network. I simply cannot fiddle with manual remounts because they are NFS or SMB drive mounts and OSX freaks out. It takes me about 5 minutes to unmount all the drives, and as long to reconnect them. Which I have to do whenever this little Powerbook sleeps. Your solution of a manual disconnect/reconnect is absurd. Multiply this by the # of Apples we have, and you see what I mean.
We have 15 Windows laptops, and as many desktops that keep ALL of these drives mounted regardless of sleep, power cycle etc. All machines except the Apples.
If this bug needs escalation, let's do it. I've seen countless gripes about this issue and NO resolution. This is NOT a feature, or a requirement for user manual drive unmount intervention. It's a BUG.

Network drives randomly disconnecting, unable to reconnect

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