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Network Resource Unreachable

 

Problem

When trying to access a network resource (Personal Area, network printer, etc.), you get a "Host unknown or not reachable" (or similar) error.

 

Platform / Software Affected

• GNU/Linux
• Mac OS X
• Windows 

 

Solution

This is generally a network problem computer side and mostly happens because either:

• you have not configured your network settings (DNS and Domain suffixes) as per Network Connection Configuration instructions
• you have a restrictive (mostly third-party) Firewall preventing access to local networks (e.g. ZoneAlarm, etc.)
• you have not run the Network Setup Wizard (e.g. on Windows XP)
• you have a malware preventing you to access local networks (Windows only)

 

Please Note: being able to surf the web is NOT evidence of properly configured network settings!