System State Backup Failing to remote Drive

Hi I am having problems doing a system state backup of our DC it fails when i try adn do it via the CMD prompt to a local drive because they are critical volumes.

It fails on the Windows Server Backup snap in with the error incoorect parameter.

I have google some of this and people suggest registry is at fault but i am a bit wary when editing the registry.

Any help or suggestions you can give will be great.

Many Thanks
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YellowbusTeamConnect With a Mentor Author Commented:
I have resolved this myself as it was failing due to a agent that was using the writers for a Datto device agent
Pradeep DubeyConsultantCommented:
here is a MS article given below for the same event.
Request you to read the article first and implement it.

Take backup of registry before making any changes.
YellowbusTeamAuthor Commented:
I have followed the tests on that page but am none the wiser here is a screen shot of m,y last attempt and what i also noticed was the rror log was empty too?

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Since these are critical volumes and not backed up, it is a good idea NOT to "poke" in to the system.
If you can get your hands on Symantec Ghost or Acronis backup, do of-line sector backup or better yet, clone the drive. This way, you can safely test your solution,
Also, MS backup is very sensitive to file integrity. Try chkdsk /f/r on the volumes.
YellowbusTeamAuthor Commented:
Ok thanks i will see if i can get a chkdisk sorted for out of hours
YellowbusTeamAuthor Commented:
I have done this chkdisk but it has not resolved the issue...
Pradeep DubeyConsultantCommented:
Can you provide logfile for the backup failure?
logs can be found in "c:\windows\logs\windowsserverbackup\backup_error*.log"

also do a simple system state backup from GUI of this server, during this check the event log for any VSS error.
YellowbusTeamAuthor Commented:
The error log is empty to start with and here is the error from the event log

Log Name:      Application
Source:        Microsoft-Windows-Backup
Date:          21/10/2013 15:46:32
Event ID:      517
Task Category: None
Level:         Error
User:          SYSTEM
Computer:      server.domain.local
The backup operation that started at '¿2013¿-¿10¿-¿21T14:45:55.131423600Z' has failed with following error code '2155347997' (The operation ended before completion.). Please review the event details for a solution, and then rerun the backup operation once the issue is resolved.
Event Xml:
<Event xmlns="">
    <Provider Name="Microsoft-Windows-Backup" Guid="{1DB28F2E-8F80-4027-8C5A-A11F7F10F62D}" />
    <TimeCreated SystemTime="2013-10-21T14:46:32.290688900Z" />
    <Correlation />
    <Execution ProcessID="6328" ThreadID="2404" />
    <Security UserID="S-1-5-18" />
    <Data Name="BackupTime">2013-10-21T14:45:55.131423600Z</Data>
    <Data Name="ErrorCode">2155347997</Data>
    <Data Name="ErrorMessage">%%2155347997</Data>
Pradeep DubeyConsultantCommented:
Can you install below hotfix once on the server :
YellowbusTeamAuthor Commented:
I have tried to install this hotfix and it say this is not applicable to this system and we are running the 2008 r2 64bit i have downloaded that.
Pradeep DubeyConsultantCommented:

To apply this hotfix, you must be running Windows 7 or Windows Server 2008 R2. Additionally, you must have the Windows Server Backup feature installed.
YellowbusTeamAuthor Commented:
i have all the prerequisites installed
YellowbusTeamAuthor Commented:
I reoslved this issue myself by removing an agent for a backup device
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