Troubleshooting NFC connectivity in Veeam Backup & Replication
VMware backup or replication jobs may fail with errors such as “Failed to create NFC download stream” or “Failed to create NFC upload stream.” These messages indicate that the backup proxy was unable to open an NFC (Network File Copy) connection to the ESXi host in order to transfer VM disk data. Cause NFC stream creation failures most commonly fall into one of these categories: Steps to resolve DNS / name resolution TCP/902 (NFC) VMware permissions Granular Permissions Guide VMware file locks Veeam KB: https://www.veeam.com/kb1198 If you need help reviewing logs, validating connectivity, or confirming the root cause, contact our support team at support@managecast.com.