Migration from 7.5.5 to 9.2 error

[FidelC]

When I try to migrate from Plesk 7.5.5 to 9.2 I get the folowing error:

== STDOUT ====================
Error during prepare backup archive (c:\migracion\2009_10_09_22[1]/psaDump.zip)
== STDERR ====================

3916: 2009-10-09 22:16:57,875 DEBUG Backup status saved to session
3916: 2009-10-09 22:16:57,937 CRITICAL Runtime error in migration handler:
<class 'subproc.NonzeroExitException'> was finished with exit code -3
Traceback (most recent call last):
File "C:\Program Files\Parallels\Plesk\admin\share\migration-handler\migration_handler.py", line 1394, in main
data_action_response, errcode_response, error_message = actions.get(sys.argv[1][2:])(parameters)
File "C:\Program Files\Parallels\Plesk\admin\share\migration-handler\migration_handler.py", line 1294, in migration_start
return MigrationHandlerActionRunner(MigrationStartAction, None, migration_session_id).doActivity()
File "C:\Program Files\Parallels\Plesk\admin\share\migration-handler\migration_handler.py", line 88, in doActivity
result = self.processor.doActivity()
File "C:\Program Files\Parallels\Plesk\admin\share\migration-handler\migration_handler.py", line 864, in doActivity
service.backup(migration_session.getValue('agent_name'), migration_session.getValue('agent_dir'))
File "C:\Program Files\Parallels\Plesk\admin\share\migration-handler\pmm_migr_remote_service.py", line 95, in backup
res = self.backupImpl(agent_name, agent_dir)
File "C:\Program Files\Parallels\Plesk\admin\share\migration-handler\pmm_migr_remote_service_impl.py", line 100, in backupImpl
self.runCmdLine(cmd)
File "C:\Program Files\Parallels\Plesk\admin\share\migration-handler\pmm_migr_remote_service.py", line 51, in runCmdLine
self.session.runWorker(cmd)
File "C:\Program Files\Parallels\Plesk\admin\share\migration-handler\migration_handler_session.py", line 290, in runWorker
cmd.spawn()
File "C:\Program Files\Parallels\Plesk\admin\lib\python\subproc.py", line 240, in spawn
self.proc.run()
File "C:\Program Files\Parallels\Plesk\admin\lib\python\subproc.py", line 185, in run
BaseSubprocess.run(self)
File "C:\Program Files\Parallels\Plesk\admin\lib\python\subproc.py", line 169, in run
self.wait()
File "C:\Program Files\Parallels\Plesk\admin\lib\python\subproc.py", line 193, in wait
BaseSubprocess.wait(self)
File "C:\Program Files\Parallels\Plesk\admin\lib\python\subproc.py", line 179, in wait
raise NonzeroExitException(self, self.__retcode)
NonzeroExitException: was finished with exit code -3

3916: 2009-10-09 22:16:57,937 INFO Outgoing packet:
<?xml version="1.0" encoding="UTF-8"?>
<response>
<errcode>1001</errcode>
<errmsg>Runtime error in migration handler:
<class 'subproc.NonzeroExitException'> was finished with exit code -3
Traceback (most recent call last):
File "C:\Program Files\Parallels\Plesk\admin\share\migration-handler\migration_handler.py", line 1394, in main
data_action_response, errcode_response, error_message = actions.get(sys.argv[1][2:])(parameters)
File "C:\Program Files\Parallels\Plesk\admin\share\migration-handler\migration_handler.py", line 1294, in migration_start
return MigrationHandlerActionRunner(MigrationStartAction, None, migration_session_id).doActivity()
File "C:\Program Files\Parallels\Plesk\admin\share\migration-handler\migration_handler.py", line 88, in doActivity
result = self.processor.doActivity()
File "C:\Program Files\Parallels\Plesk\admin\share\migration-handler\migration_handler.py", line 864, in doActivity
service.backup(migration_session.getValue('agent_name'), migration_session.getValue('agent_dir'))
File "C:\Program Files\Parallels\Plesk\admin\share\migration-handler\pmm_migr_remote_service.py", line 95, in backup
res = self.backupImpl(agent_name, agent_dir)
File "C:\Program Files\Parallels\Plesk\admin\share\migration-handler\pmm_migr_remote_service_impl.py", line 100, in backupImpl
self.runCmdLine(cmd)
File "C:\Program Files\Parallels\Plesk\admin\share\migration-handler\pmm_migr_remote_service.py", line 51, in runCmdLine
self.session.runWorker(cmd)
File "C:\Program Files\Parallels\Plesk\admin\share\migration-handler\migration_handler_session.py", line 290, in runWorker
cmd.spawn()
File "C:\Program Files\Parallels\Plesk\admin\lib\python\subproc.py", line 240, in spawn
self.proc.run()
File "C:\Program Files\Parallels\Plesk\admin\lib\python\subproc.py", line 185, in run
BaseSubprocess.run(self)
File "C:\Program Files\Parallels\Plesk\admin\lib\python\subproc.py", line 169, in run
self.wait()
File "C:\Program Files\Parallels\Plesk\admin\lib\python\subproc.py", line 193, in wait
BaseSubprocess.wait(self)
File "C:\Program Files\Parallels\Plesk\admin\lib\python\subproc.py", line 179, in wait
raise NonzeroExitException(self, self.__retcode)
NonzeroExitException: was finished with exit code -3
</errmsg>
</response>

The two systems are windows2003.

Thank you.