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I found online that Server 2008 R2 host can only initiate a maximum of 255 iSCSI connections, and that it was a hard limit within the OS itself.

Does this same restriction apply to Server 2012 R2?

To be specific, I am asking how many connections can be initiated from Server 2012 R2 to another target.

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Microsoft hasn't released any documentation on the iSCSI target server scalability limits for Server 2012 R2 because they're the same as Server 2012.

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From this thread on TechNet is looks like the 255 limit is still present in 2012 R2.

I have a use case where I want to address lots of iSCSI LUNs on a 2012 R2 machine. I seem to have hit a limit of 255 mounted iSCSI volumes.

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I'm asking the reverse. I want to know how many connections it can initiate, not how many it can host as a target. –  Alex McKenzie Aug 12 at 16:38

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