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Solve transfer problems

Check the specific problem instead of starting over: a quick decision list and the common symptoms with their next step.

Quick decision

  1. Sign-in or approval fails: check the account, the expiry time, the service permission and, if relevant, the device request.
  2. The receiver does not appear: check the right installation, the active device release, receive rights and the destination catalog.
  3. The connection is unclear: open the info icon, keep the target active and check again within limits.
  4. The receiver reports a storage problem: solve space or rights at the target; switching to the server route does not fix that.
  5. The connection was briefly interrupted: resume the existing job; do not use a new transfer as the standard retry.
  6. Received, but the file is not in the Files app: check the local export and the save dialog; receiving and saving are different steps.

Common symptoms and what to do

Symptom or codeWhat it meansA sensible next step
No sign-in email arrivesThe address, mailbox delivery or the account release can be missingCheck the address and spam, respect the waiting time shown; give support the time and the address you used through a private channel, never the code
“Confirm action”The action needs a fresh confirmationEnter the email code in the dialog; a complete sign-out is not the standard fix
login_required, invalid_grantThe session or native permission is missing or no longer validUse the normal sign-in or authorization flow; do not work around a revocation with refresh loops
Device request invalid at onceThe request can have expired, been processed already or been rejected because of a server-side requirementCheck the latest request and its release status; report the time and version, and do not assume a particular cause without a diagnosis
Receiving device not ready yetThe target has not accepted yet or is not actively ready to receiveOpen the browser and check acceptance; for a service, check the inbox and the exact sender release
Direct not confirmedA probe is missing, has expired or a checked route failedRead the details, activate the receiver, check again; choose the server route deliberately if needed
Server route although on the same Wi-FiBelonging to a Wi-Fi network does not prove a reachable, authenticated direct routeCheck guest isolation, VPN, firewall, browser profile and the method actually used
destination_pendingThe destination publication is not confirmed yetOn B run destinations sync; reconcile the same intent
destination_unavailableAlias, rights or revision no longer match or are not usableReread the destination catalog and have B check; do not redirect an existing transfer unnoticed
receiver_blockedThe receiver reported a verified reasonRead receiver_status and the allowed next actions, for example fix space or rights
Storage fullThe receiver, local browser space or a holding area can be affectedFree space on the side named; resume the existing job after approval
Write permission missingThe actual service user may not write to the locationFix the rights on B and test under that identity; do not start everything as root
Quota or HTTP 429A budget or a limited operation is used upNote the error code and the retry period; ask for the budget to be released if needed. Clearing the local cache does not lift server quotas
Speed test HTTP 429Diagnostic calls are limited in time and budgetKeep to the waiting time given; use the support report you already have
installation_busyAnother process owns the installationUse the right daemon or CLI control path; do not open the same state in parallel
daemon_unavailableThe private service channel is not availableCheck your own service status, user and state
server_mismatchThis installation was signed in against a different pipeit addressSign in again with this installation
timeoutThe time budget is used up; the state may still existRead the status and resume with the same ID. Choose a suitable time budget on slow networks
Folder source changedThe originals no longer match the prepared crypto planKeep the sources unchanged or start a new job deliberately
iOS saves a technical nameThe browser export cannot pass the original nameIf offered, use “Save file” and the system dialog; use Safari or rename afterwards if needed
“Download started” but nothing visibleA browser export does not confirm the final locationCheck Downloads, the Files app and permissions; save the local copy again
Activation or management pendingFile delivery and the following action have separate statesRead the action status and finish the required review or approval

Scroll sideways to see the whole table.

Do not explain codes by the HTTP status alone: a 429 at sign-in is something different from an exhausted streaming quota or a speed-test cooldown. The actual server response decides.

When the transfer is slow

First open the connection details: which route actually ran? Then check whether the time goes into preparing, sending, receiving or finishing. Wi-Fi, VPN, CPU, disks and many small files act differently. With several devices, make one manageable comparison on the same sources and known routes. See Speed test and support report.

What helps us help you

  • The time with time zone, the client, browser and OS version, and the roles involved: sender or receiver.
  • The transfer, group or action ID and a support ID, where available, through the private support channel.
  • The route you wanted and the one actually used, fallback allowed or forbidden, the visible error code.
  • The order of magnitude, the number of files and the file or folder profile; private file names are normally not needed.
  • The phase of the failure and whether the receiver was open or the service active.
  • Whether it happened after a network change, a browser reload, sleep or a version change.

What should not happen automatically

Do not reset the whole device pairing, clear caches, switch off security software or open firewall rules across the board. Fix the specific problem first. Rebuild device access removes access from old devices and is a separate recovery step, not a routine repair for a slow network.

Still stuck?

Check the troubleshooting guide first. If that does not help, tell us what happened.