The iSCSI Initiator service allows Vista to connect to SCSI devices attached to a network. See more information on Microsoft’s iSCSI implementation here. This service is only required if you need to connect to an iSCSI device, so it can be safely disabled, but since it’s only run when required, there is little reason to bother.
Display Name:
Microsoft iSCSI Initiator
Service Name:
MSiSCSI
Process Name:
svchost.exe
Description:
Manages Internet SCSI (iSCSI) sessions from this computer to remote iSCSI target devices. If this service is stopped, this computer will not be able to login or access iSCSI targets. If this service is disabled, any services that explicitly depend on it will fail to start.
Path to Executable:
%windir%\system32\svchost.exe -k netsvcs
Default Startup:
- Home Basic: Manual
- Home Premium: Manual
- Business: Manual
- Enterprise: Manual
- Ultimate: Manual
Log On As:
Local System Account
Desktop Interaction:
No
Depends On:
None
Required For:
None
Memory:
N/A
CPU:
N/A
Do you know something about this service that I don't? Please leave a comment below so I, and everyone else reading this, can benefit from your knowledge!

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Comments
marc farley
May 23, 2007 at 9:55 pm
The iSCSI service is used to connect to iSCSI SANs. It is not used for traditional SCSI bus connectivity. The iSCSI service takes the role of an intiator in the SCSI communications architecture. For most systems, the iSCSI service (also called the software initiator) performs as well as hardware adapters (referred to as HBAs).
Joe
May 24, 2007 at 8:36 am
Thanks for the extra info Marc, I may not have emphasized the ‘network’ part enough in my description, but as you point out, this would not come into play with devices attached through a SCSI card in your computer..
Joe
May 24, 2007 at 7:40 pm
Here’s another post that talks about iSCSI:
http://www.realtime-vista.com/administration/2007/05/iscsi_initiator.htm
Marc Farley
May 24, 2007 at 8:58 pm
Joe, readers might be interested in knowing that the iSCSI initiator can be used inside a virtual machine (like VMWare) to get MPIO support.
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