Recently bought a WDMC 3.0TB and just about set it up - when I connect an external hard drive to the USB port, it works just fine (I can see the share created and can access content, etc.). I am also able to get the same if I connected a powered USB Hub into the USB port on WDMC and connected my external hard drive into the hub. However, the trouble begins when I get a second hard drive onto the powered hub - the dashboard pops up an error message initially “USB internal server error (400255)”, after a minute or so the second hard drive actually gets recognised and I can see it on the USB menu top right of the dashboard and then within a few moments the Media scanning status shows ERROR and the WDMC goes inaccessible. I then cannot reach the dashboard, can neither access my mapped drives on my PC, can neither access the WDMC over my iphone app.
Note -
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The second hard drive itself is not an issue - these are both individually accessible i.e. if I individually plug either of my two hard drives and reboot, WDMC is all fine and shows the additional share.
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I have tried booting with the hub and 2 hard drives plugged in, and also tried booting first and then plugged in the hub with 2 hard drives connected - I run into the same issue.
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The 2 drives I am trying to connect are (i) 500GB Seagate Freeagent Go (ii) 500 GB WD My Passport
I have seen another thread with a similar error message but in that case even 1 hard-drive wasn’t working up and that thread never got to a resolution -
And another one where the problem occurred with one hard drive and only upon reboot, again no resolution - http://community.wd.com/t5/WD-My-Cloud/USB-internal-error-400255/m-p/682279/highlight/true#M7787
Any suggestions anyone?
