Network communication....

How can I send a message to a co-worker on a network knowing only their IP address, MAC address and/or DHCP address?  Is it possible?
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wec012299Asked:
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EmpKentConnect With a Mentor Commented:
Sorry, that was a bit short.

the command net send is entered in a command prompt with the IP address following and the message goes after that.

So:    net send <IP address> "text of message here (no quotes)"

This will only work if the end user has the messenger service running and if he is not behind a firewall blocking Netbios.

Kent
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EmpKentCommented:
c:>net send 172.30.48.72 Test

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si_jCommented:
Try typing 'net send <IP HERE>' at the command prompt (type 'command' in start-menu>run) or whether you can do this will depend on whether your network admin has configured the network to allow this, usually this won't be allowed. You need to have the 'messenger service' running - 'net start messenger' at the command prompt and 'netBios' enabled. 'Control Panel>network config>connection properties'

I do not recommend changing these settings if you do not know what you are doing or do not have permission.
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