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Backup failure on C:\drive

Diana Piloya 45 Reputation points
2024-06-18T11:52:53.52+00:00

Recovery services agent was unable to initialize a backup storage location due to unresponsive VDS Service.

I have already troubleshooted with Microsoft and increased limit of volume shadow copies, I have also restarted the volume shadow copy service and switches it to automatic from Manual. The C drive did not have enough space so scratch folder was switched to F drive with sufficient space. I have checked the vss list writers and they all have no errors. After all this, i restarted the server and tried backing up now. It still showed a failed status. What else do I have to do to clear this error completely

Azure Backup
Azure Backup
An Azure backup service that provides built-in management at scale.
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Azure Site Recovery
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An Azure native disaster recovery service. Previously known as Microsoft Azure Hyper-V Recovery Manager.
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Windows Server Backup
Windows Server Backup
Windows Server: A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.Backup: A duplicate copy of a program, a disk, or data, made either for archiving purposes or for safeguarding valuable files from loss should the active copy be damaged or destroyed.
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  1. Zunhui Han 720 Reputation points Microsoft Vendor
    2024-06-18T14:08:59.58+00:00

    Hello,

    Thank you for posting in Q&A forum.

    Backup requires some additional disk space on the client computer to create a VSS snapshot. On any volume that is not system reserved, at least 10 percent of available disk space must be free. On a system reserved volume, if the volume size is less than 500 MB, VSS requires 32 MB of free space to create a snapshot; if the volume is 500 MB or greater, VSS requires 320 MB of free space.

    If the backup error still occurs even though the above requirements are met, I suggest you refer to the following link for troubleshooting:

    https://techcommunity.microsoft.com/t5/storage-at-microsoft/diagnosing-failures-in-windows-server-backup-part-1-vss-spp/ba-p/423990

    I hope the information above is helpful.

    Best regards

    Zunhui

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