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Try Adium instead: &nbsp;<a href="http://adium.im/" rel="ugc">http://adium.im/</a><br />

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Try Adium instead:  http://adium.im/ [http://adium.im/]


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you must enable the use for remote access.
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you must enable the use for remote access.

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Busbar,<br />
<br />
I enabled remote access for the user but it still didn't work. &nbsp;Do I need to setup an edge server? &nbsp;Any other suggestions?
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Busbar,

I enabled remote access for the user but it still didn't work.  Do I need to setup an edge server?  Any other suggestions?

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Refer the following link,search for &nbsp;solution given by Zachary of Microsoft and netgear firmware upgrade,<br />
<br />
<a href="http://www.officeformac.com/ProductForums/MacMessenger/890" rel="ugc">http://www.officeformac.com/ProductForums/MacMessenger/890</a>
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Refer the following link,search for  solution given by Zachary of Microsoft and netgear firmware upgrade,

http://www.officeformac.com/ProductForums/MacMessenger/890 [http://www.officeformac.com/ProductForums/MacMessenger/890]

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Downloaded messenger for mac version 7.0.1. &nbsp;I'm able to connect to my VPN but Messenger wont connect to the SIP server. &nbsp;I can ping the server and can surf the LAN just fine. &nbsp;Mac Messenger just won't connect. &nbsp;It works just fine on a PC. &nbsp; Error is &quot;Sign in failed because either the username or password is incorrect, or does not exist&quot; I am using the exact same settings that i do on my windows box. &nbsp;<br />
<br />
I'm running OCS 2007 R2. 
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Downloaded messenger for mac version 7.0.1.  I'm able to connect to my VPN but Messenger wont connect to the SIP server.  I can ping the server and can surf the LAN just fine.  Mac Messenger just won't connect.  It works just fine on a PC.   Error is "Sign in failed because either the username or password is incorrect, or does not exist" I am using the exact same settings that i do on my windows box.  

I'm running OCS 2007 R2. 

MAC Messenger doesn't work over VPN

The Microsoft Server topic includes all of the legacy versions of the operating system, including the Windows NT 3.1, NT 3.5, NT 4.0 and Windows 2000 and Windows Home Server versions.

Microsoft Server OS

Mac OS X is the desktop operating system from Apple Inc., found on Macintosh computers. OS X consists of a Mach/BSD-based kernel, operating system interfaces primarily based on FreeBSD and additional frameworks (written in C, C++ and Objective-C providing user interface and application-level services.