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TI2012 - Slow to backup to a network volume

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I've recently tried to backup direct to a network share (Local at 1Gbps) however the transfer speed seems stuck at around 10% of the actual available bandwidth. Normal SMB transfers and using a reserve copy during a local disk backup all transfer at a reasonable speed.
I've read a few posts on here that seem to suggest other people are having problems with ATI when it comes to backing up to a network drive but I'm not sure I've seen a solution, is there one or is ATI just broken in some horrible way?

Thanks

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An ATI backup to a network location will not run at the full theoretical bandwidth. Right off the bat, the transfer bandwidth will be cut in half as half will be used for communication from the server back to the PC.

When using ATI with a network drive, use a UNC path to your NAS device for a backup destination, not a typical friendly "mapped" drive. e.g.
\\192.168.2.25\My Backups\

It should also be possible to use a UNC path that includes server name rather than IP, such as
\\server1\My Backups\

ATI will not automatically detect a NAS drive. Once you start typing the destination path (click "Browse", type in the "File name" field), you will be prompted for a username and password. You must use enter the username and password that has permissions to access the NAS share you are saving to.

Many users have issues with NAS, not because of True Image but because the router gets overloaded with data throughput and cannot keep a consistent enough connection with the NAS for True Image to image or restore. Certain models of router and known to suffer from this issue.

I'm running across a full duplex 1Gb switch so traffic coming back from the server will not make any difference provided the ACK packets can get back in the right order.

When I do normal SMB transfers data moves around at roughly 900Mbps, this is also true when ATI does a reserve copy backup. When I try to backup to the network drive natively it does sub 100Mbps. This slowdown only seems to happen when trying to backup using ATI so it does seem like a problem with the software or configuration of the backups.

Has anyone got any other suggestions or comments? If this bug (assuming it is one) is fixed in the latest ATI then I'll consider upgrading as its a feature I'd really like to get working.