Cause: BMR was
failing with the following error as there was no permission on the shared
folders.
Windows
Backup encountered an error when accessing the remote shared folder. Please
retry the operation after making sure that the remote shared folder is
available and accessible. ID 517
Resolution:
Recreated
the Protection Group which resolved the issue for some time but then it again
reoccurred. So followed the following steps.
Disabled chimney offload and other SNP
features on the DPM server's NIC.
Following are the commands to disable
chimney offload and other required features:
netsh int tcp set global
rss=disable
netsh int tcp set global
autotuninglevel=disable
netsh int tcp set global
chimney=disable
From the Network Adapter properties
disabled the following:
Disabled the IPv4 Checksum OFFload
Disabled Large Send Offload Version 2
(IPv4)
Disabled Large Send Offload Version 2
(IPv6)
Disabled TCP Checksum Offload (IPv4)
Disabled TCP Checksum Offload (IPv6)
Disabled UDP Checksum Offload (IPv4)
Disabled UDP Checksum Offload (IPv6)