VaultDR online - Failed to create handle to set IO parameter for OFM (4046602)

Title: VaultDR online - Failed to create handle to set IO parameter for OFM
Date: Aug-07
NV Version: NV7.x
OS Version: Windows 2000

Description:
This article explains why this error happens and provides a solution.

Symptoms:
When attempting to run a backup using the hot DR plugin you receive the following error messages within the netvault binary log.

Job Message 2003/09/22 09:05:23 184 Data Plugin BKB1 Set OFM's I/O parameters WIP to 3 and SyncTimeout to 300
Error 2003/09/22 09:05:23 184 Data Plugin BKB1 Failed to create handle to set IO parameter for OFM. The system cannot find the file specified.
Warning 2003/09/22 09:05:23 184 Data Plugin BKB1 Failed to set OFM's I/O parameters WIP and SyncTimeout

and the failure to set the IO parameters is causing the rest of the job to fail :

Background 2003/09/22 09:05:23 184 Media BKB1 Sent Plugin space left estimate of 85288 Mb
Job Message 2003/09/22 09:05:23 184 Data Plugin BKB1 Backup partition table for device Disk 0 successfully
Job Message 2003/09/22 09:05:23 184 Data Plugin BKB1 Start Sync partition C:
Error 2003/09/22 09:05:23 184 Data Plugin BKB1 Failed to do DeviceIoControl to sync partition (C:). Incorrect function.
Error 2003/09/22 09:05:23 184 Data Plugin BKB1 Failed to sync partition Partition 1 - NTFS - (C:)
Error 2003/09/22 09:05:23 184 Data Plugin BKB1 Failed to backup partition Partition 1 - NTFS - (C:)
Job Message 2003/09/22 09:05:23 184 Data Plugin BKB1 Start Sync partition D:
Error 2003/09/22 09:05:23 184 Data Plugin BKB1 Failed to do DeviceIoControl to sync partition (D:). Incorrect function.
Error 2003/09/22 09:05:23 184 Data Plugin BKB1 Failed to sync partition Partition 2 - NTFS - (D:)
Error 2003/09/22 09:05:23 184 Data Plugin BKB1 Failed to backup partition Partition 2 - NTFS - (D:)