Disk Or Network Error

Disk Or Network Error

If you get a Disk I/O or network error the following troubleshooting tips may help. 

Normally that error message means you are losing connectivity to the network or your hard disk when idled. (can also happen during usage in some cases)

Turn Off Power Saving

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First if this happens when you step away from the computer and come back then turn off any power saving features that can cause the connection to the network to fail like going into some kind of sleep mode. 

In addition there is an AutoDisconnedt feature in Windows 10 and later that will disconnect a mapped drive letter and random intervals which will also cause this error. 

You can usually prevent this from happening by connecting to the backend database by NOT using a mapped drive letter. 

Instead, you should connect using a UNC path like this:

\\ServerName\TATEMS\tatems2005be.mdb

Turn off AutoDisconnect

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If you can't connect using a UNC path like the one shown above, then the following instructions describe how to turn off AutoDisconnect

On Windows 10 or 11 the first thing to change is the Auto-disconnect feature on the workstation If for some reason you

You can update the timeout feature to make it longer by updating the registry for AutoDisconnect to: 

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters autodisconnectvalue ffffffff

WARNING: "Using Registry Editor incorrectly can cause serious, system-wide problems that may require you to re-install Windows to correct them. Microsoft cannot guarantee that any problems resulting from the use of Registry Editor can be solved. Use this tool at your own risk."

Also you can turn off the Autodisconnect feature on the computer affected.  You might also consider turning off this feature on the server too if multiple computers are affected. 

  1. Click on Start>All Programs>Windows System
  2. Right click on Command Prompt and choose Run as Administrator.
  3. If you are prompted to click Continue to run the application, click Continue.
  4. In the Command Prompt screen, type in the following and then press enter: net config server /autodisconnect:-1
disable or turn off AutoDisconnect or Auto Disconnect Command Prompt

There is also a group policy method and other methods for chaining the AutoDisconnect feature here


And a method using a startup script if Windows keeps changing the AutoDisconnect back to that way it was when it was causing the problem here:

Other causes

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Here are some other possible culprits that may be causing the Disk or Network Error: 

As stated above, Check and turn off any power saving settings for the network adapter and hard disks.

One other potential fix we found is this:

TURNING OFF NETBIOS AT THE SERVER. (ie: Network Connections->Local Area Connection->TCPIPv4->Advanced->WINS->Disable NetBIOS over TCP/IP

And this archived KB article from Microsoft may also be a solution for you


Also if you are connect via a wireless network then you'll need to improve or upgrade the wireless network and adapters or move to 1GB wired Ethernet network

Hopefully one of those tips above will help.

Last Resort - Move to Remote Desktop Services Or The Cloud

The other option as a last resort that is guaranteed to work is to run TATEMS on a Remote Desktop Services server with the data file also being stored on that same server, and have each user remote in to TATEMS using the instructions at the link below.


Of you can sign up for our cloud service which puts your TATEMS and data on our cloud server. 



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