When troubleshooting name resolution problems as they relate to application functionality, it is important to determine how the application connects – does it use NetBIOS name resolution or does it use sockets (host name resolution)?  NetBIOS application issues – especially with applications such as Windows Explorer, My Network Places and use of the various net commands (such as net use) are the ones that we see quite often on the Performance team.  When the Performance team supported Internet Explorer (which uses sockets / host name resolution), we obviously dealt with our fair share of customer incidents dealing with connectivity.

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