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Are there any areas it can affect... my server admin guys say that you can loose packets or something if you don't use fqdn over the wan. &nbsp;Any of this true?
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Are there any areas it can affect... my server admin guys say that you can loose packets or something if you don't use fqdn over the wan.  Any of this true?

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When it comes to resolving the name, yes. &nbsp;FQDN will use DNS, which if setup correctly should never drop packets. &nbsp;However, if you use NetBIOS name resolution (short name), and the local WINS server does not have the entry you're looking for, it will broadcast for the name. &nbsp;This is a much less efficient way of resolving names. &nbsp;However, once you have the IP address there should be no difference.
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When it comes to resolving the name, yes.  FQDN will use DNS, which if setup correctly should never drop packets.  However, if you use NetBIOS name resolution (short name), and the local WINS server does not have the entry you're looking for, it will broadcast for the name.  This is a much less efficient way of resolving names.  However, once you have the IP address there should be no difference.

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What are the advantages in using fqdn instead of short names? &nbsp;Is there any performance difference if I copy a file from a computer via \\shortname across a wan instead of \\shortname.domain.com? &nbsp;<br />
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Thanks
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What are the advantages in using fqdn instead of short names?  Is there any performance difference if I copy a file from a computer via \\shortname across a wan instead of \\shortname.domain.com?  

Thanks

FQDN vs SHORTNAMES

The Windows operating systems have distinct methodologies for designing and implementing networks, and have specific systems to accomplish various networking processes, such as Exchange for email, Sharepoint for shared files and programs, and IIS for delivery of web pages. Microsoft also produces server technologies for networked database use, security and virtualization.