Thank you Anton, So how the following path is changed? [dump] MSSQL --iSCSI--> HDD [backup] HDD --iSCSI--> MSSQL --IP--> BackupServer I don't really understand why loopback helps the situation. And how to change the initiator to loopback? If MSSQL has 2 NICS which is for normal LAN(100Mb) and the ot...