Backup fails with ACCESS DENIED Error code: 20250646
Additional info:
------------------------
Error code: 20250646
Fields: {"$module":"mms_vsa64_31791","CommandID":"D332948D-A7A9-4E07-B76C-253DCF6E17FB"}
Message: TOL: Failed to execute the command.

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hello Jose
i had already run the VSS doctor before posting this error to this forum and had fixed volume shadow copy which was not enabled but am still experiencing the same error.
i have restarted the NAS but am still experiencing the same error.
My Product name is Acronis 15.0.31791
storage NAS
am backing sheared files on a file saver platform win2k22
full error below:
MESSAGE
Access is denied.
Additional info:
------------------------
Error code: 20250646
Fields: {"$module":"mms_vsa64_31791","CommandID":"D332948D-A7A9-4E07-B76C-253DCF6E17FB"}
Message: TOL: Failed to execute the command. Backup plan 'APPDB01'
------------------------
Error code: 20250646
Fields: {"$module":"agent_protection_addon_vsa64_31791","CommandID":"D332948D-A7A9-4E07-B76C-253DCF6E17FB"}
Message: TOL: Failed to execute the command. Backup plan 'APPDB01'
------------------------
Error code: 20119593
Fields: {"$module":"agent_protection_addon_vsa64_31791"}
Message: Failed to execute the command.
------------------------
Error code: 20250677
Fields: {"$module":"agent_protection_addon_vsa64_31791","FailCount":2}
Message: 2 activities have not succeeded. One of them is displayed.
------------------------
Error code: 20250646
Fields: {"$module":"service_process_vsa64_31791","CommandID":"8F01AC13-F59E-4851-9204-DE1FD77E36B4"}
Message: TOL: Failed to execute the command. Backing up
------------------------
Error code: 20250646
Fields: {"$module":"gtob_backup_command_addon_vsa64_31791","CommandID":"8F01AC13-F59E-4851-9204-DE1FD77E36B4"}
Message: TOL: Failed to execute the command. Backing up
------------------------
Error code: 10551508
Fields: {"$module":"disk_bundle_vsa64_31791","IsReturnCode":1}
Message: Failed to find archive 'AppDB01.unity.co.zm-6C6F129F-935C-4335-9315-6AA098308A79-AAB165F3-EDDE-4424-976B-59697706AF7AA'.
------------------------
Error code: 10551497
Fields: {"$module":"disk_bundle_vsa64_31791"}
Message: Failed to get information about the archives.
------------------------
Error code: 262145
Fields: {"$module":"disk_bundle_vsa64_31791","function":"NtOpenFile","path":"\\\\?\\UNC\\unity-san01\\ReadyNASPro\\"}
Message: Error occurred while reading the file.
------------------------
Error code: 65520
Fields: {"$module":"disk_bundle_vsa64_31791","code":2147943672}
Message: You can't access this shared folder because your organization's security policies block unauthenticated guest access. These policies help protect your PC from unsafe or malicious devices on the network
------------------------
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Mbiko Ngoma wrote:hello Jose
i had already run the VSS doctor before posting this error to this forum and had fixed volume shadow copy which was not enabled but am still experiencing the same error.
i have restarted the NAS but am still experiencing the same error.
My Product name is Acronis 15.0.31791
storage NAS
am backing sheared files on a file saver platform win2k22
full error below:
MESSAGE
Access is denied.
Additional info:
------------------------
Error code: 20250646
Fields: {"$module":"mms_vsa64_31791","CommandID":"D332948D-A7A9-4E07-B76C-253DCF6E17FB"}
Message: TOL: Failed to execute the command. Backup plan 'APPDB01'
------------------------
Error code: 20250646
Fields: {"$module":"agent_protection_addon_vsa64_31791","CommandID":"D332948D-A7A9-4E07-B76C-253DCF6E17FB"}
Message: TOL: Failed to execute the command. Backup plan 'APPDB01'
------------------------
Error code: 20119593
Fields: {"$module":"agent_protection_addon_vsa64_31791"}
Message: Failed to execute the command.
------------------------
Error code: 20250677
Fields: {"$module":"agent_protection_addon_vsa64_31791","FailCount":2}
Message: 2 activities have not succeeded. One of them is displayed.
------------------------
Error code: 20250646
Fields: {"$module":"service_process_vsa64_31791","CommandID":"8F01AC13-F59E-4851-9204-DE1FD77E36B4"}
Message: TOL: Failed to execute the command. Backing up
------------------------
Error code: 20250646
Fields: {"$module":"gtob_backup_command_addon_vsa64_31791","CommandID":"8F01AC13-F59E-4851-9204-DE1FD77E36B4"}
Message: TOL: Failed to execute the command. Backing up
------------------------
Error code: 10551508
Fields: {"$module":"disk_bundle_vsa64_31791","IsReturnCode":1}
Message: Failed to find archive 'AppDB01.unity.co.zm-6C6F129F-935C-4335-9315-6AA098308A79-AAB165F3-EDDE-4424-976B-59697706AF7AA'.
------------------------
Error code: 10551497
Fields: {"$module":"disk_bundle_vsa64_31791"}
Message: Failed to get information about the archives.
------------------------
Error code: 262145
Fields: {"$module":"disk_bundle_vsa64_31791","function":"NtOpenFile","path":"\\\\?\\UNC\\unity-san01\\ReadyNASPro\\"}
Message: Error occurred while reading the file.
------------------------
Error code: 65520
Fields: {"$module":"disk_bundle_vsa64_31791","code":2147943672}
Message: You can't access this shared folder because your organization's security policies block unauthenticated guest access. These policies help protect your PC from unsafe or malicious devices on the network
------------------------
Hello!
That error seems to be related with the lack of permissions ( Windows error ).
Please check this web guides and try to fix the issue:
- https://learn.microsoft.com/en-us/answers/questions/59309/you-can-t-acc…
- https://www.techcrumble.net/2018/03/you-cant-access-this-shared-folder-…
Thanks in advance!
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