Problem
Use of iSCSI devices on a NIC team with Microsoft iSCSI initiator.
Solution
Backup Exec support and testing of 3rd party items is based on the 3rd party items being supported by the manufacture.
Microsoft does not support the use of iSCSI on a NIC team with certian configuration.
Microsoft Listing on NIC Teaming (Document Attached):
Page 17
Microsoft does not support the use of NIC teaming on iSCSI interfaces. For iSCSI SAN interfaces, Microsoft recommends that customers use dual or quad ported NICs, or multiple single-port NICs and allow Microsoft Windows components to handle fail-over and redundancy to ensure consistent visibility into the data path. Fail-over and load balancing of multiple paths to an iSCSI target from within the same server is supported through MS MPIO and Multiple Connections per session (fail over and load balancing using multiple adapters in the same server. Please see details on configuring MS MPIO and MCS later in this guide. Microsoft Cluster Server can also be used for fail over and load balancing of shared storage resources between servers (fail over and load balancing between servers). NIC teaming can still be used on LAN interfaces only that are not used to connect to an iSCSI SAN.
Windows 2012 and above information : https://blogs.technet.microsoft.com/askpfeplat/2013/03/18/is-nic-teaming-in-windows-server-2012-supported-for-iscsi-or-not-supported-for-iscsi-that-is-the-question/
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