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タイトル
Unable to delete shadow copies using VSSADMIN -
説明
When attempting to delete shadow copies on an agent machine using VSSADMIN you get the error:"Snapshots were found, but they were outside of your allowed context. Try removing them with the backup application which created them." -
原因
Cause: Windows will not let you delete the VSS shadow copy even though you have an elevated command prompt. -
対策
Workaround:In order to get rid of these kinds of shadows we need to reduce diff area where the shadow copies reside. By cutting this space to the bare minimum we invoke a mechanism in VSS itself that causes it to dump all shadows.-1. Proceed by reconfiguring VSS to cut the limit down to 401 MB. (The system claims 300MB) From an elevated command prompt type:vssadmin resize shadowstorage /for=D: /on=D: /maxsize=320MB2. You should receive a “success” message and you can increase the limit once again to the recommended “unbounded” setting.
vssadmin resize shadowstorage /for=d: /on=D: /maxsize=unbounded
3. At this point VSSadmin should report successful resize.
"Successfully resized the shadow copy storage association".
4. Check that there are no shadow copies by typing:
vssadmin list shadows
5. All shadow copies should be deleted.