Symptoms

1. You boot your machine with Acronis bootable media.
2. You start a disk-level backup: a backup of the entire machine or selected disk(s).
3. As backup destination, you select an external USB drive.
4. Backup fails with:
   error 0x950001: Invalid parameters were specified.
   line: 0x15b308bfdeeec05
   file: k:/3500/enterprise/disk_manager/daapi1/operations_backup.cpp:445
   function: ExecBackup
   $module: disk_bundle_glxa64_3500
   
   error 0xa100c9: Failed to get information about the archives.
   line: 0xb320396adfe3bfd
   file: k:/3500/enterprise/mms/managers/archive/impl/private_manager.cpp:344
   function: GetArchivesInfo
   IsReturnCode: 0x1
   $module: disk_bundle_glxa64_3500
   
   error 0xa100d4: Failed to find archive 'D:\Archive(1).TIB
   line: 0xb320396adfe3ea1
   file: k:/3500/enterprise/mms/managers/archive/impl/private_manager.cpp:1020
   function: FindArchive
   IsReturnCode: 0x1
   $module: disk_bundle_glxa64_3500
   
   error 0xa10007: Cannot find archive 'Archive(1).TIB'.
   line: 0xa110f03a4aa48d9c
   file: k:/3500/enterprise/mms/managers/archive/impl/local/local_find_impl.cpp:134
   function: GetResult
   $module: disk_bundle_glxa64_3500"

Cause

Issue in the product.

Solution

The issue has been fixed in Acronis Backup 12 Update 3 (build 3689 or later), please update to the latest build.

As workaround, please use a bootable media of Acronis Backup 11.7