I have an iMac and under devices in the sidebar that name has changed from iMac to iMac(1) to iMac(2)...and is now at iMac(9).  What is causing this and how do I correct it?

I have an iMac and under devices in the sidebar that name has changed from iMac to iMac(1) to iMac(2)...and is now at iMac(9).  What is causing this and how do I correct it?

Sometimes this message means that you have two simultaneous connections to the same local network: probably Ethernet and Wi-Fi. If applicable, disconnect the Ethernet cable or turn off Wi-Fi.
Sometimes it happens because a device that gets its network address from the router wakes from sleep, and the address it was using before has been assigned to another device.
A third-party wireless router that has incompatible settings or firmware may be the cause. In that case, refer to the manufacturer or ISP for support. Restarting the router may help, temporarily.
Rename the computer in the Sharing preference pane.

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    butter sock wrote:
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