RealTime Sync needed


I am searching for a way to provide nearly realtime sync between two windows servers (2012 R2) over the internet (no VPN available). Changes on the files will be on both of the servers. FTP seems to slow for that (detecting file system changes).

The problem is that changed files should be detected within max 1 minute and then should sync it.

Do you know a alternative to dropbox which supports a installation on a server and is running as a service?

Thanks in advance!

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Dan McFaddenSystems EngineerCommented:
I'd say this question has a second big question that must be answered first:  Do you have a budget for software purchasing?

If not, you might be interested in trying DirSync.  I've used it to sync up content in the past.


As for commercial strength replication, you have plenty of options.

Wikipedia link:

DavidSysadminAuthor Commented:
Thanks Dan!

Yes, we have budget for purchasing. I think we use the Pro version of Seafile for the sync, hosted on our own server.

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DavidSysadminAuthor Commented:
In my opinion Seafile is the best software to solve this. The sync is very fast (hosted on your own server) and really stable. Seafile  requires Java on the server. Works great wit openjdk 1.7

Configuration Details:
*Installed on Debian 8
*Apache 2.4 as Reverse Proxy for the Webinterface
*MySQL as DB
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Windows Server 2012

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