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==Overview==
Hamachi can be used to connect you and your friends together for a gaming session by creating a virtual LAN (called '''V'''irtual '''P'''rivate '''N'''etwork). A VPN client will give you better latencies (less lag) than traditional Internet based gaming because it bypasses the extra servers required to Host/Join a game session.  <br/>

'''Please consult the [http://logmeinwiki.com/wiki/Category:Hamachi_User_Manual Hamachi user manual] before continuing!'''

In order to insure that you will be able to [[Hamachi:Create a Network|create]]/[[Hamachi:Join a Network|join]] a Hamachi VPN and others will be able to join you the minimum required instructions are listed below, in the '''Basic guide'''.

==Basic guide==
The following steps are '''the least you'll need to do in order to play most games''':
<br/>
[[Image:HamachiSettings.jpg|thumb|350px|right|How the metrics and the Hamachi properties should look like in Vista.]]

'''1.''' After installing Hamachi, run it once and insure you've configured your [[:category:firewall|firewall]] properly and have set [http://portforward.com/ port forwarding] on your router(s) (if you have one). <br/>

'''2.''' Re-prioritize your network adapter order:  

'''For XP/2000:''' Start > Control Panel > Network Connections, then, on the menu bar, click Advanced > Advanced Settings and put Hamachi at the top of the list.<br/>
<br/> 
'''For Vista:''' Start > Control Panel > Network and Sharing Center, then, on the left side panel, click on 'Manage Network Connections'. Now press Alt, click on Advanced > Advanced Settings and put Hamachi at the top of the list.<br/>
<br/> 
'''For Windows 7:''' Start > Control Panel > Network and Sharing Center, then, on the left side panel, click on 'Change adapter settings'. Now press Alt, click on Advanced > Advanced Settings and put Hamachi at the top of the list.<br/>

'''3.''' Configure the gateway and metrics: 

In Network Connections right click on Hamachi > Properties, select TCP/IP(v4) > Properties > Advanced. Ensure that the '''default gateway is 5.0.0.1''', if not, then add/edit it and '''set its metric to Automatic''' (this is the Gateway Metric).<br/>
'''Below 'Default gateways' tick 'Automatic metric' ''' (this is the Interface Metric).<br/>

'''Quick notice:''' Some users have reported that their internet connection fails when Hamachi is turned on. Removing the Hamachi gateway (5.0.0.1) should resolve the problem. It is not known why this is happening, but it might be the ISP's fault. Entering a Gateway Metric manually (for example, the default "1500") can restore the internet connection, but gaming functionality may still not be available.

'''4.''' If you're '''running Vista disable TCP/IPv6''' (untick it in the Hamachi properties)<br/>

'''5.''' If you're '''running Vista ensure that Hamachi appears in the 'Network and Sharing Center' as a 'Private Network' '''.<br/>
If it doesn't, then press customize (at Hamachi, of course) and set it to 'Private Network'. <br/>

'''6. Reboot.'''<br/>

'''7.''' Create/Join a Hamachi network and '''check to see if you can ping/chat with one another'''. If either one of these don't work ensure you haven't forgotten anything and check again. Still not working? check section 3.1 and 3.2 of the 'Advanced Guide' below. <br/>

'''8. The game host must be running Vista when playing with XP users! ''' <br/><br/>

Though this quick guide will insure you will be able to play most games via Hamachi, please visit [[:category:gaming|our game specific tweaks section]] and also [https://forums.hamachi.cc/viewtopic.php?t=180 check this thread] for a list of games known to work with Hamachi + user submitted game specific tweaks where necessary.<br/>
<br/>
'''If you still can't find the solution to a game, then please post your question on the Hamachi forums [https://forums.hamachi.cc/viewforum.php?f=13 here].'''

==Advanced guide==
<br/>
'''Please ensure that you have already completed the Basic guide before proceeding!'''<br/>
<br/>
This guide consists of several extra tweaks/tips for playing on a Hamachi VPN.<br/>

----

===Ping/Chat issues===

#Make sure you allow Hamachi through your firewall on both the UDP and TCP ports.
#If your firewall allows IPs through, enter your Hamachi IP and allow it through for both UDP and TCP ports.
#Closing a firewall may sometimes resolve your issue, but this is not recommended. So configure your client and IPs through your firewall properly to avoid security risks.
#If you use a router you are most likely using NAT. In which case see the next section on configuring NAT. <br/>
'''Sometimes users don't need to port forward (it depends on the router) so you could try to ping each other now.'''

----

===Configuring Routers===

#Open Hamachi preferences (the little gear icon in the bottom left hand corner), select the 'Status' tab on the left and click on 'Detailed Configuration'. '''If you use a proxy enter it here!'''
#Under 'Connecting through NAT' tick the UDP port and put a port number, something higher that 45000 usually provides better connections, and remember it; 
#Allow port forward on that UDP port for your router;
#Test the port is forwarded correctly [http://whatsmyip.org/ports/ here]; just add a custom port and click test (open and closed means it's working ok; time-out... not forwarded correctly).<br/>
'''If you are unsure about port forwarding then [http://portforward.com/ visit this site] as it has Port forwarding for almost every router explained in detail.'''

----

===Can Ping Peer, but can't see LAN game===

[[Image:RouteTable.jpg|thumb|right|350px|The route table in Vista; click to zoom.]]
'''First [https://forums.hamachi.cc/viewtopic.php?t=180 see if there are any special tweaks required for your game].'''<br/><br/>
*'''The game might not be able to detect Hamachi as the first network adapter and as such use the IP your ISP provided you.'''
See if you can find out what IP it is using while in-game; if it has 5.x.y.z then it's a Hamachi IP, if not, move Hamachi adapter up in the '''Network Connections > Advanced > Advanced Settings''' list.

<br />
*'''Encryption and Traffic filtering between peers'''
After joining a network, you can right-click on peers to display their details page. This page displays your settings for this peer specifically. If you are having trouble seeing network games from this peer, or they from you, it can help to go to the second tab in this window, named 'settings', and change Traffic to 'Allow all' and Encryption to 'Disabled'. Depending on the game, your computer and network infrastructure this might or might not help, but if you have tried everything and things still don't work when they really should, this is a likely culprit.

<br/> 
*'''Another problem (usually with the Vista x64 editions) might be the fact that your routing table hasn't been flushed since installing Hamachi.''' <br/>
You can correct this by opening the command prompt (just type cmd in start > run...), then type ''route print'' and if you can't see 255.255.255.255 in the IPv4 Route Table type ''route -f'' and reboot. This might fix your problem.<br/>
If you get the error ''The requested operation requires elevation'', ensure that your account has administrative privileges and UAC (in Windows Vista) is turned off. 

<br/>
*'''Hamachi broadcast issue'''
Hamachi v.1.0.2.0 and newer has a broadcasting bugg preventing alot of games from working correctly. If you are experiencing this problem(not being able to see/create games) and are using Vista, which means that you cannot install an older version of Hamachi, there is now a neat console program fixing this problem. The program uses WinPcap available from http://www.winpcap.org (needs to be installed!) and forwards broadcast packets from your network interface to the hamachi interface. The program will need to be running with elevated rights to be allowed to capture packets.<br/><br/>
The program can be downloaded from here: http://rapidshare.com/files/222589683/HamachiBroadcastFix.zip<br/>
Mirror: http://rapidshare.com/files/222590368/HamachiBroadcastFix.zip

<br/>
*'''Force The Game To Use Hamachi IP'''*

#Download and install forceip from : http://www.r1ch.net/stuff/forcebindip/;
#Make a bat file for the game executable as such obviously replacing your details;

"ForceBindIP 5.x.x.x "location\game.exe"

so it looks a little something like this

ForceBindIP 5.0.2.45 "Z:\Games\Star Wars Empire at War Forces of Corruption\swfoc.exe"

Save and run the bat from the game directory, this will force the game to use the hamachi adapter only... This has resolved various issues for me.

<br/>
*'''Still not working? continue reading...'''<br/>
#Open Hamachi;
#Let Hamachi connect then disable your normal internet connection(s) and any other network adapters. Right click on them in 'Network connections' and click 'Disable' ('''don't disable Hamachi!'''); 
#Leave Hamachi running and let it to try to reconnect;
#Start the game and go in the LAN lobby;
#'Alt-Tab' back to windows and enable your internet, then switch back to the game. You should now see the game.<br/>
This forces the game to use Hamachi as the default network adapter.<br/>
'''Both the client(s) and the host must do this!'''<br/> 

<br/>
*'''Windows 7 Notes (RC7100)'''<br/>
Windows 7 appears to send broadcast packets (packets destined for 255.255.255.255) out the interface associated with the broadcast route having the lowest metric. It does this regardless of the order of the interfaces in the "Advanced Settings" menu. If there is more than one broadcast route with the same metric, it sends it out the first one. '''''NOTE:''''' When a new interface comes up, it's broadcast route gets added to the '''end''' of the list. Broadcast routes are the last routes listed in the route list produced with the 'route print' command. To summarize, here is how it chooses which interface to send packets destined for 255.255.255.255:

# It looks at the metrics associated with all "255.255.255.255 mask 255.255.255.255" routes. If one is lower than all the others, it sends the packet out that interface.
# If there is "tie" for the lowest metric, it sends it out the first one in the tie.

The metric associated with the Hamachi broadcast route can be lowered to be the lowest in the list of broadcast routes when running Hamachi 2 (tested with 2.0.1.64). By default, Hamachi installs with a metric of '9000' associated with it's interface. In Windows 7, if you change the metric to '1' you'll end up a metric of 257 associated with these routes (256 + '1'). This will be lower than the default LAN interface metric and broadcast packets will now go out the Hamachi interface. '''''NOTE:''''' This is only affecting broadcast packets.

This shouldn't interfere with or affect any of your other network connections - but use at your own risk.

# Go to the properties of the Hamachi adapter
# Select 'Internet Protocol Version 4) and click 'Properties'
# Click 'Advanced'
# Change the 'Interface metric' at the very bottom from 9000 to 1
# Disable and re-enable the interface (or reboot)

If you look at the route list now ('route print') you should see the broadcast route associated with the Hamachi interface now has a metric lower than any of the other broadcast routes. Broadcast packets will now go out the Hamachi interface.<br>


----

===Lag/High ping issues===

If your game lags there are a few things you can try:

#Ensure you aren't downloading/uploading anything and that Windows isn't downloading/installing updates;
#Get a faster internet connection;
#If you have a multi-core CPU, open Task Manager > click on the 'Processes' tab, find 'Hamachi.exe' ('''Vista users should tick 'Show processes from all users' and make sure they have admin rights!''') and right click on it > Set affinity... and use only CPU0 (untick the others).

'''You'll have to set the affinity every time you start your PC!''' 

----

==='Games for Windows LIVE' based games=== 
[[Image:GFWLive.jpg|thumb|right|350px|How GFW LIVE network information should look after the registry tweak.]]
'Games for Windows Live' is Microsoft's try to port 'Xbox Live' to the PC. It requires the game developers to implement it directly in the game to work.<br/>
Because of this all games that are based on it have the same problem: even if Hamachi is set to first priority in the adapter's list the game still sets your active internet connection as default.<br/>
The workaround is rather simple, yet it involves registry editing. '''Just download this [http://files.filefront.com/WLive+overridereg/;10045830;/fileinfo.html .reg file] and merge it with your registry.'''<br/>

If by any chance the .reg file doesn't work then do the following: 
#go to start > run... > type regedit and press enter;
#now, using the left pane, go to HKEY_CURRENT_USER > Software > Classes > Software > Microsoft > and click on XLive;
#now right click in the right pane > New > String Value > and name it ''ConnectionOverride'';
#right click on the new value > Modify... > and type ''Hamachi'' and press ok.
Now enter a Windows Live based game, press the 'Home' key > Personal settings > Network Information and the adapter should now be Hamachi.
<br/>

'''Keep in mind there is a limitation of GFW Live's LAN play: the maximum latency is 30ms. Anything above that and the client cannot connect/see the session!'''<br/>
Alternatively, some GFW Live games have a patch that can circumvent this limit... such as Gears of War.
<br/> 

''' 'Games for Windows LIVE' based games to date:'''
*Halo 2
*Shadowrun
*Gears of War
*Viva Piñata
*Juiced 2: Hot Import Nights
*Kane & Lynch: Dead Men 
*Universe at War: Earth Assault
*The Club 
*Lost Planet Extreme Condition - Colonies Edition
*FlatOut: Ultimate Carnage
*Fallout 3 (and it's expansions)
*007: Quantum of Solace
*GTA IV
*Warhammer 40k: Dawn of War II
*Battlestations: Pacific
*Codename Panzers: Cold War
*Red Faction: Guerilla
*The Crossing ([http://en.wikipedia.org/wiki/The_Crossing_(video_game) not yet released])
<br/>  
'''While there are many GFW games out there, only the ones above make use of Microsoft's GFW Live networking service!''' 
<br/>
----

===IPX based games===
<br/>
'''IPX games known to work with Hamachi:'''
*Doom
*Blood
*Carmageddon
*Light Bikes (by James Payne)

'''IPX games that don't work with Hamachi:''' 
*C&C DOS
*SWARS<br/>
====IPX gaming over XP====

In order to play IPX based games you first need to '''install the IPX Internet Protocol and tick it in Hamachi adapter properties.''' (Control Panel, Network Connections, right-click any adapter, Properties, Install, Protocol, IPX). Ensure Hamachi adapter is the only one that has IPX ticked in it's properties. Just right-click all the other adapaters, Properties and uncheck the IPX protocol. Now go into Hamachi adapter properties, click on IPX, Properties, set frame type Ethernet 802.3 & Network Number 00000101 (leave Internal # alone!).

Now in Network Connections window, click on menu Advanced, Advanced Settings. Ensure Hamachi is top of the list by clicking on it and click on the up arrow button.

Now browse for your C:\WINDOWS\system32\AUTOEXEC.NT file and open it in Notepad. Then put in the following two lines at the bottom of the file and save it.

 lh %SystemRoot%\system32\nw16
 lh %SystemRoot%\system32\vwipxspx

(reference: [http://support.microsoft.com/kb/158214 http://support.microsoft.com/kb/158214]

That should be it!

If you got confused then try watching my videos (links found at http://vogons.zetafleet.com/viewtopic.php?p=144988 - ofcourse ignore the game Blood or deathmask's cli2nop and VDMSound is optional... so try leaving it out and get the IPX game working first).

OR TRY: [http://home.earthlink.net/~infernosadventures/configuringdosemulation.htm here] for different ways.'''<br/>

====IPX gaming over Vista====

Download this patch from from [http://rapidshare.com/files/89319027/ipx-setup.rar.html here], install it and then reboot your PC. IPX based games should now work over Vista!<br/>

'''This only works with Vista x86 as the patch was complied on 32bits!''' 

----

===Hamachi Aliases===
[[Image:AliasEg.jpg|thumb|300px|right|How an Alias should look.]]
These are generally required only for Counter-Strike and Source based games (like Left 4 Dead, TF2, CS Source etc.) since they need Class C network addresses for LAN play.<br/>

Other, usually older games might need this too. <br/>

[[Hamachi:Advanced Peer Menu|Using Aliases in Hamachi]] lets you and your friends to submit different IPs, even non-Hamachi standard IPs (such as 192.168.1.1), than your default ones.<br/>
This is very useful in order to maintain the same IP class over all users of a Hamachi VPN. <br/>

'''How to set up an Alias (in Hamachi 1.0.2.0 and above):'''
#Go to Hamachi preferences, choose Window from the left pane and tick ''Show "Advanced ..." peer menu item'';
#Click OK;
#Right Click on a Hamachi Network Member and select ''Advanced ..'';
#In the Peer VPN Alias field enter your Hamachi IP, adding an extra unit.  <br/>
'''eg:''' your Hamachi IP is 5.69.127.35 and you have a friend that has 5.110.166.243. To keep his IP in the same class as yours, just enter your Hamachi IP at his peer VPN alias, adding an extra unit (5.69.127.36). <br/>
'''All users must set up their Aliases, not just the Game Host !''' <br/>

'''Notes: '''
*some users have complained that Aliases don't work for them; downgrading to Hamachi 1.0.1.5 should resolve the issue;
*Hamachi 1.0.1.5 uses the [[Hamachi:Aliases.txt|old method of entering Aliases]].
*Hamachi 2.x.x.x does not support aliases.  The feature has been deprecated and will no longer be supported.

----

===DirectPlay 7 Games===
Most people turn to use Hamachi for old DirectPlay 7 games. However if your router can port forward and you can configure it then you don't need Hamachi at all. <br/>
Most 1990-1999 games uses DirectPlay 7 for networking (eg. Age of Empires II, Die By The Sword, Total Annhilation, MageSlayer, Take No Prisoners, etc). If one is behind a NAT router and wants to host a game then they require to port forward DirectPlay 7 ports (range 2300-2400 plus 47624). <br/>
However some NAT routers are not capable of forwarding port ranges. It is still possible to host games behind a NAT router with only 3 or 4 ports forwarded (instead of the 2300-2400 range). The ports needed are TCP 2300, UDP 2350, & TCP/UDP 47624. This assumes this is the only DirectPlay 7 game running.

----

===Last resort options===

If none of the above steps have worked for you, then try the following:<br/>

*'''Disable your firewall, IP blocker or other internet security software.''' They might be blocking Hamachi! <br/>
Protowall and Peer Guardian were reported as culprits.<br/>
'''Please try to configure your internet security software first!'''<br/> 
<br/>
*'''If you have a router, unplug it and connect directly to the modem.''' Your router(s) might be the problem.<br/>
'''Recheck to see if you've properly set up port forwarding first!'''<br/>
<br/>
*'''For Vista users having problems playing with XP users, try setting the game's shortcut to XP compatibility mode.''' <br/>
Just right-click the shortcut > properties > Compatibility >  and tick ''Run this program in compatibility mode for:'' and select Windows XP.<br/> 
'''This is generally useless for modern games (GRiD, Crysis, FIFA09 to name a few), but valid for some old games (RA2, SC for eg.).'''<br/>
<br/>
*'''It might be a Hamachi issue:'''<br/>
#Uninstall Hamachi from your computer;
#Remove all registry entries associated with Hamachi; start > run > type ''regedit'' > press Ctrl + F > tick all 3 boxes and type ''hamachi'' > delete the entry (by selecting it in the left pane) > press F3 to find the others... do this till you delete all Hamachi entries; 
#Google 'Hamachi 1.0.1.5.' and install it;
#Configure it as explained above (after version 1.0.2.0, Hamachi received several upgrades to its tunneling system).<br/>

'''In case you will not be able to reinstall Hamachi after removing the registry entries, google for the popular TuneUp Utilities (Free Trial version available), install it and run TuneUp's 1-Click Maintenance which will repair your registry.'''

'''I strongly advise sticking with the latest Hamachi build! You might break other games!''' 

==Notes==
*'''The official gateway metric is 1500!''' However there are games that require a different metric (like 10 for the Rainbow Six Vegas series) in order to properly work. Therefore, setting it to automatic works the best;
*'''The IPX patch hasn't worked on all Vista x86 PCs!''' The patch hasn't received enough feedback;
*'''Microsoft has 'mysteriously deleted' the registry trick from their GFW LIVE support page;''' They instead suggest disabling other network adapters than the main active one... this includes Hamachi. Bastards!
*'''Again, use the 'Last resort options' only if nothing has worked for you!''' 

==Hamachi Forums References==
Very special thanks to: '''''madshark69, lowblowz, kweniston, paul-lmi, andrewwan1980''''' and  '''''meowface''''' of the Hamachi Forums Community!<br/>
*''[https://forums.hamachi.cc/viewtopic.php?t=17038&postdays=0&postorder=asc&start=0 Ultimate Hamachi Gaming Guide - All Work Arounds Vista/XP]''
*''[https://forums.hamachi.cc/viewtopic.php?t=17680 PROBLEM NOT FINDING/OTHER CAN'T FIND YOUR GAME? VISTA guide!]''
*''[https://forums.hamachi.cc/viewtopic.php?t=14806 Before posting about games not working (Can't see games)]''
*''[https://forums.hamachi.cc/viewtopic.php?t=17717 IPX 100% working tip]'' (broken, someone deleted my forum post!, nm I'll add the knowledge directly into this page)
*''[https://forums.hamachi.cc/viewtopic.php?t=18284 I Have a problem whit hamachi]''

==Useful links==
* [http://www.playhamachi.com/ Hamachi Games Listing] Easy to use hamachi games portal. No invalid games can be found.
*[https://forums.hamachi.cc/viewforum.php?f=13 Hamachi Gaming Forums]; 
*[https://forums.hamachi.cc/viewtopic.php?t=180 List of games known to work with Hamachi and their tweaks];
*[[Hamachi:Detailed Configuration|Detailed configuration of Hamachi UDP & TCP ports]];
*[[:Category:Gaming|Hamachi wiki game specific instructions]];
*[[:Category:Firewall|Firewall troubleshooting]];
*[http://logmeinwiki.com/wiki/Category:Hamachi_User_Manual Hamachi user manual];
*[[Hamachi:Indicators|Explanation of the user indicators]]; 
*[[Hamachi:Join a Network|Joining a Hamachi VPN]];
*[[Hamachi:Create a Network|Creating a Hamachi VPN]];
*[[Hamachi:Windows File Sharing|Hamachi file sharing]];
*[http://portforward.com/ How to set up port forwarding on your router];
*[http://whatsmyip.org/ports/ Enter a port and test it here];
*[http://home.earthlink.net/~infernosadventures/my_library1.htm Inferno's Library];
*[http://kissmyrank.2kool4u.net/forum/index.php?showtopic=111 CoH OF Server Tool].

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