I'm getting a similar error on a small group of VMWare guest servers.
bpfis log:
14:10:31.622 [8396.7068] <2> logparams: D:\Program Files\Veritas\NetBackup\bin\bpfis.exe create -nbu -owner NBU -id idmz02app39_1273698640 -bpstart_to 300 -bpend_to 300 -backup_copy 0 -ru root -pt 29 -vm_type 2 -vm_client idmz02app39 -clnt insseabumed02.pemcoins.net -st FULL -rg root -fim VMware:file_system_optimization=1,snapact=0,Virtual_machine_backup=2,vmmono=0,disable_quiesce=0,nameuse=1,trantype=6,nameuse=1 -class PMIC_VM_Test_Wednesday -sched Full_Weekly -fso -S pccsseabumstr01
14:10:31.622 [8396.7068] <2> bpfis main: received FIM as [126] VMware:file_system_optimization=1,snapact=0,Virtual_machine_backup=2,vmmono=0,disable_quiesce=0,nameuse=1,trantype=6,nameuse=1
14:10:31.622 [8396.7068] <4> bpfis: INF - BACKUP START 8396
14:10:31.622 [8396.7068] <2> bpfis main: receive filelist:<NEW_STREAM>
14:10:31.622 [8396.7068] <2> bpfis main: receive filelist:<ALL_LOCAL_DRIVES>
14:10:31.622 [8396.7068] <2> bpfis main: receive filelist:<CONTINUE>
14:10:31.637 [8396.7068] <2> vnet_connect_to_vnetd_extra: ../../libvlibs/vnet_vnetd.c.188: msg: VNETD CONNECT FROM 172.16.4.99.4663 TO 10.200.18.20.13724 fd = 480
14:10:31.715 [8396.7068] <2> vnet_vnetd_service_socket: ../../libvlibs/vnet_vnetd.c.2054: VN_REQUEST_SERVICE_SOCKET: 6 0x00000006
14:10:31.715 [8396.7068] <2> vnet_vnetd_service_socket: ../../libvlibs/vnet_vnetd.c.2068: service: bprd
14:10:31.918 [8396.7068] <2> logconnections: BPRD CONNECT FROM 172.16.4.99.4663 TO 10.200.18.20.13724
14:10:34.122 [8396.7068] <2> get_long: (2) premature end of file (byte 1)
14:10:34.122 [8396.7068] <2> bprd_read_text_file: get_string() failed, Access is denied. (5), premature end of file encountered
14:10:34.122 [8396.7068] <8> bpfis: WRN - VfMS error 10; see following messages:
14:10:34.122 [8396.7068] <8> bpfis: WRN - Non-fatal method error was reported
14:10:34.122 [8396.7068] <8> bpfis: WRN - vfm_configure_fi_one: method: FlashSnap, type: FIM, function: FlashSnap_init
14:10:34.122 [8396.7068] <8> bpfis: WRN - VfMS method error 3; see following message:
14:10:34.122 [8396.7068] <8> bpfis: WRN - FlashSnap_init: Veritas Volume Manager not installed.
14:10:34.122 [8396.7068] <8> bpfis: WRN - VfMS error 10; see following messages:
14:10:34.122 [8396.7068] <8> bpfis: WRN - Non-fatal method error was reported
14:10:34.122 [8396.7068] <8> bpfis: WRN - vfm_configure_fi_one: method: vxvm, type: FIM, function: vxvm_init
14:10:34.122 [8396.7068] <8> bpfis: WRN - VfMS method error 3; see following message:
14:10:34.122 [8396.7068] <8> bpfis: WRN - vxvm_init: Veritas Volume Manager not installed.
14:10:34.153 [8396.7068] <4> bpfis: INF - FIS_ID=idmz02app39_1273698640
14:10:34.153 [8396.7068] <4> bpfis: INF - Freezing ALL_LOCAL_DRIVES using snapshot method VMware.
14:10:34.153 [8396.7068] <4> bpfis: INF - ACT=idmz02app39
14:10:34.153 [8396.7068] <4> bpfis: INF - Created mount point D:\Program Files\Veritas\NetBackup\temp\_vrts_frzn_img_ALL_LOCAL_DRIVES_8396
14:10:34.153 [8396.7068] <2> vnet_connect_to_vnetd_extra: ../../libvlibs/vnet_vnetd.c.188: msg: VNETD CONNECT FROM 172.16.4.99.4670 TO 10.200.18.20.13724 fd = 416
14:10:34.231 [8396.7068] <2> vnet_vnetd_service_socket: ../../libvlibs/vnet_vnetd.c.2054: VN_REQUEST_SERVICE_SOCKET: 6 0x00000006
14:10:34.231 [8396.7068] <2> vnet_vnetd_service_socket: ../../libvlibs/vnet_vnetd.c.2068: service: bprd
14:10:34.434 [8396.7068] <2> logconnections: BPRD CONNECT FROM 172.16.4.99.4670 TO 10.200.18.20.13724
14:11:20.435 [8396.7068] <4> bpfis: INF - Deleted mount point D:\Program Files\Veritas\NetBackup\temp\_vrts_frzn_img_ALL_LOCAL_DRIVES_8396
14:11:20.435 [8396.7068] <32> bpfis: FTL - VfMS error 11; see following messages:
14:11:20.435 [8396.7068] <32> bpfis: FTL - Fatal method error was reported
14:11:20.435 [8396.7068] <32> bpfis: FTL - vfm_freeze: method: VMware, type: FIM, function: VMware_freeze
14:11:20.435 [8396.7068] <32> bpfis: FTL - VfMS method error 7; see following message:
14:11:20.435 [8396.7068] <32> bpfis: FTL - VMware_freeze: VIXAPI freeze failed with 36
14:11:20.435 [8396.7068] <32> bpfis: FTL - VfMS error 11; see following messages:
14:11:20.435 [8396.7068] <32> bpfis: FTL - Fatal method error was reported
14:11:20.435 [8396.7068] <32> bpfis: FTL - vfm_freeze: method: VMware, type: FIM, function: VMware_freeze
14:11:20.435 [8396.7068] <32> bpfis: FTL - VfMS method error 7; see following message:
14:11:20.435 [8396.7068] <32> bpfis: FTL - VMware_freeze: VIXAPI freeze failed with 36
14:11:20.435 [8396.7068] <16> bpfis: FTL - snapshot creation failed, status 156
14:11:20.435 [8396.7068] <4> bpfis: INF - Thawing ALL_LOCAL_DRIVES using snapshot method VMware.
14:11:20.435 [8396.7068] <8> bpfis: WRN - ALL_LOCAL_DRIVES is not frozen
14:11:20.435 [8396.7068] <8> bpfis: WRN - snapshot delete returned status 20
14:11:20.435 [8396.7068] <2> vnet_connect_to_vnetd_extra: ../../libvlibs/vnet_vnetd.c.188: msg: VNETD CONNECT FROM 172.16.4.99.4798 TO 10.200.18.20.13724 fd = 480
14:11:20.513 [8396.7068] <2> vnet_vnetd_service_socket: ../../libvlibs/vnet_vnetd.c.2054: VN_REQUEST_SERVICE_SOCKET: 6 0x00000006
14:11:20.513 [8396.7068] <2> vnet_vnetd_service_socket: ../../libvlibs/vnet_vnetd.c.2068: service: bprd
14:11:20.700 [8396.7068] <2> logconnections: BPRD CONNECT FROM 172.16.4.99.4798 TO 10.200.18.20.13724
14:11:21.544 [8396.7068] <4> bpfis: INF - EXIT STATUS 156: snapshot error encountered