RV120W cannot resolve hostname of most of the devices

Hi,
I am having issue with my network as my router won't resolve most of the hostname of the network, I have 30 devices on my network, and only 4 names are displayed on the available local host. It makes it very difficult to identify the devices on the network.
Is there a way to fix that ? thanks,
Jeremy

Do you have a WINS server (or equivalent) running? If not then take care that you clients have the correct node type:
run ipconfig /all on each client to check NetBIOS name resolution / node type:
B-node: 0x01 Broadcast
P-node: 0x02 Peer (WINS only)
M-node: 0x04 Mixed (broadcast, then WINS)
H-node: 0x08 Hybrid (WINS, then broadcast)
More to read: http://technet.microsoft.com/en-us/library/bb727013.aspx
Windows Server 2008 R2 has WINS disabled by default.
If you have trouble with finding Windows shares then check if Network Discovery is running properly. The following services needs to be enabled and runnig otherwise Network Discovery won't stay on:
Function Discovery Provider Host
Function Discovery Resource Publication
SSDP Discovery
UPnP Device Host

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