what is iSCSI initiator session limit ?
and is there anyway to exceed this limit ?
i'm working on windows server
also in this documentation https://docs.microsoft.com/en-us/windows-server/storage/iscsi/iscsi-target-server-limits ..... what's meant by "Sessions that can simultaneously connect to an iSCSI target instance" .... is that the session that the target can host " or the initiator can start "
and what is the difference between forced and not forced
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User..
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256
it has never changed.
You have mixed up some questions. Each topic has a limit to answer and solve one issue.

BaronSamedi1958
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djdomi
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It's implementation specific (usually up to 256) and related to the target as well (target may reject # of the concurrent connections exceeding internal threshold value). Only to make things worse there's also a "multiple connections per session (MC/S)" thing which makes your question even more broad. Clarification question(s): What task are you trying to solve? Is it about increasing performance? Is it just a lab use case? What target are you trying to connect to?

BaronSamedi1958
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i use mpio so i can only connect to 128 disk ... i connect to a san solution which has no limitation – User.. Nov 13 '21 at 17:53
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@BaronSamedi1958 he askes on Windows Server - and this limit has stand from today till Windows Server 2022 NOT changed and yes it might depend on other Platform - however it was specially asked for Windows Server :-) – djdomi Nov 16 '21 at 05:27