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Forum Discussion
ReadyNAS 102 randomly dropping mapped drive(s) on Windows 10
I am having an issue where my mapped drives on my ReadyNAS drop off intermittently and then become available again. I am at the most current firmware version (6.10.10). Following is the error I rece...
Next time it happens, issue the NET USE command from a command prompt and see what it says. That you can ping the NAS after it happens only means that the low-level connection is restored by them, But it sounds like Windows has given up on the SMB connection. Your issue is not a common one, so I doubt a Windows update has anything to do with it.
A good first step is to swap the cable and port the NAS is attached to and see if that helps.
Is that 16-port switch a "green" one? I've had issues with those (though not a Netgear brand) and turned off the "green" feature.
Then there is the possibility that the power to the Ethernet transceiver in the NAS has an issue, Unfortunately, that is a problem others have reported on the 102 and 104 models. In a few cases, replacing the power brick has helped, but in most it has not. One issue is that the transceiver uses the +3.3VSB (3.3 volts standby) power, which is on all the time, even when the NAS is "off' (and the fan isn't running). If you've had any issues turning the unit on or off, then that's a second symptom pointing to +3.,3VSB.
It could be the transceiver itself, as well, though that's not a common problem unless there was a power surge or something. But lets not jump to one of these being the issue until we've looked at other potential causes.
I did not mention it but one of my first troubleshooting efforts was to replace the CAT V cable for the NAS and plug it into a different port on the switch. It did not make a difference. Not sure what you mean by "green" switch. It is a Netgear model GS316. It is an unmanaged switch - there is not an admin page to make any adjustments to settings.
Following is the screen print of the status using NET USE command after the connection to the drive is lost. I understand what you are saying about the ping command not being a complete diagnostic tool for checking connectivity. It is just weird that it will disconnect while I am actively using the drive and then magically reconnect (or I can issue the Net use command to attempt to force it to reconnect). I have rebooted it (after updating firmware) and it seems to restart without any issues. If I lose power in the house it powers back up OK after the power is restored.(yes it is on a surge suppressor). Nothing in the logs indicates any types of errors.
Thanks for your response and help !
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