{"id":"data-transfers.a-transfer-failed-what-now","url":"/faq/data-transfers/a-transfer-failed-what-now","category":{"id":"data-transfers","title":"Data Transfers"},"subcategory":{"id":"problems","title":"Problems and messages"},"question":"A transfer failed — how do I find out why and try again?","alt_questions":["transfer failed storage studio","retry a failed transfer","sync failed what do I do","Failed status on transfer","how to rerun a failed copy","upload failed to cloud mac app"],"short_answer":"Select it to read the plain-English reason and the log. Fix the cause, then set up the same transfer again — only missing or changed files are sent, so nothing that already arrived is repeated.","answer_markdown":"Select the failed transfer in Data Transfers. The detail pane shows a red-tinted message explaining what went wrong in plain English, and the **Log** card shows the last lines of output.\n\nTo try again, fix the cause (reconnect the drive, sign in to the account again, free some space), then set up the same transfer with **New Transfer**. It only sends what's missing or changed, so files that already arrived aren't sent twice. Remove the failed entry when you're done.\n\nThe usual causes are a drive that was unplugged, a dropped connection, an account whose sign-in has expired, or a full destination.\n\nRelated: [Where is the transfer log?](/faq/data-transfers/where-is-the-transfer-log) · [Troubleshooting](/faq/troubleshooting/)","answer_html":"

Select the failed transfer in Data Transfers. The detail pane shows a red-tinted message explaining what went wrong in plain English, and the Log card shows the last lines of output.

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To try again, fix the cause (reconnect the drive, sign in to the account again, free some space), then set up the same transfer with New Transfer. It only sends what's missing or changed, so files that already arrived aren't sent twice. Remove the failed entry when you're done.

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The usual causes are a drive that was unplugged, a dropped connection, an account whose sign-in has expired, or a full destination.

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Related: Where is the transfer log? · Troubleshooting

","answer_text":"Select the failed transfer in Data Transfers. The detail pane shows a red-tinted message explaining what went wrong in plain English, and the Log card shows the last lines of output.\n\nTo try again, fix the cause (reconnect the drive, sign in to the account again, free some space), then set up the same transfer with New Transfer. It only sends what's missing or changed, so files that already arrived aren't sent twice. Remove the failed entry when you're done.\n\nThe usual causes are a drive that was unplugged, a dropped connection, an account whose sign-in has expired, or a full destination.\n\nRelated: Where is the transfer log? · Troubleshooting","tags":["failed","retry","troubleshooting"],"related":[{"id":"data-transfers.where-is-the-transfer-log","question":"Where can I see the details or log of a transfer?","url":"/faq/data-transfers/where-is-the-transfer-log"},{"id":"data-transfers.why-is-a-repeat-transfer-faster","question":"Why does running the same transfer again finish so much faster?","url":"/faq/data-transfers/why-is-a-repeat-transfer-faster"},{"id":"data-transfers.account-needs-signing-in-again","question":"What does “That account needs signing in again — its access has expired” mean?","url":"/faq/data-transfers/account-needs-signing-in-again"}],"applies_to":"all","last_reviewed":"2026-10-01","title":"A transfer failed — how do I find out why and try again? — Storage Studio FAQ","description":"Select it to read the plain-English reason and the log. Fix the cause, then set up the same transfer again — only missing or changed files are sent, so nothing that already arrived is repeated.","crumbs":[{"name":"Home","path":"/"},{"name":"FAQ","path":"/faq/"},{"name":"Data Transfers","path":"/faq/data-transfers/"},{"name":"A transfer failed — how do I find out why and try again?","path":"/faq/data-transfers/a-transfer-failed-what-now"}],"jsonld":{"@context":"https://schema.org","@type":"FAQPage","url":"https://storagestudio.us/faq/data-transfers/a-transfer-failed-what-now","inLanguage":"en","dateModified":"2026-10-01","mainEntity":[{"@type":"Question","name":"A transfer failed — how do I find out why and try again?","alternateName":["transfer failed storage studio","retry a failed transfer","sync failed what do I do","Failed status on transfer","how to rerun a failed copy","upload failed to cloud mac app"],"acceptedAnswer":{"@type":"Answer","text":"Select the failed transfer in Data Transfers. The detail pane shows a red-tinted message explaining what went wrong in plain English, and the Log card shows the last lines of output.\n\nTo try again, fix the cause (reconnect the drive, sign in to the account again, free some space), then set up the same transfer with New Transfer. It only sends what's missing or changed, so files that already arrived aren't sent twice. Remove the failed entry when you're done.\n\nThe usual causes are a drive that was unplugged, a dropped connection, an account whose sign-in has expired, or a full destination.\n\nRelated: Where is the transfer log? · Troubleshooting","url":"https://storagestudio.us/faq/data-transfers/a-transfer-failed-what-now"}}]},"fragment":"
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Data Transfers · Problems and messages

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A transfer failed — how do I find out why and try again?

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Short answer: Select it to read the plain-English reason and the log. Fix the cause, then set up the same transfer again — only missing or changed files are sent, so nothing that already arrived is repeated.

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Select the failed transfer in Data Transfers. The detail pane shows a red-tinted message explaining what went wrong in plain English, and the Log card shows the last lines of output.

\n

To try again, fix the cause (reconnect the drive, sign in to the account again, free some space), then set up the same transfer with New Transfer. It only sends what's missing or changed, so files that already arrived aren't sent twice. Remove the failed entry when you're done.

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The usual causes are a drive that was unplugged, a dropped connection, an account whose sign-in has expired, or a full destination.

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Related: Where is the transfer log? · Troubleshooting

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