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semaphore

About this tag
The semaphore tag on WindowsForum.com covers issues related to the 'semaphore timeout period has expired' error, a common Windows problem that can occur during file transfers, folder redirection, or other network operations. Discussions include troubleshooting steps for resolving semaphore timeouts when copying files between network-attached storage (NAS) devices and local or external drives, as well as when using Windows features like Folder Redirection. Users share experiences with Windows 10 and Windows 7, noting that the error often appears with large files or over network connections. Workarounds and references to Microsoft support articles are frequently mentioned, but no single definitive fix is guaranteed.
  1. W

    Windows 10 Semaphore Timeout Problem

    I am running Windows 10 having upgraded from Windows 7 on a Dell desktop. I have run into what I am calling the "semaphore" problem. I am trying to copy/paste a folder that contains large video files. The source is on a drive inside a Synology DS413j server on my house network. The target is...
    • weeder
    • Thread
    • dell error external drive file transfer network paste response semaphore solutions storage support request synology technical issues timeout troubleshooting usb video files windows 10 windows 7 workaround
    • Replies: 4
    • Forum: Windows Help and Support
  2. News

    Folder Redirection fails with the error ERROR_SEM_TIMEOUT or the semaphore timeout period has expire

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    • News
    • Thread
    • error_sem_timeout file management folder redirection semaphore timeout windows error
    • Replies: 0
    • Forum: Knowledge Base (KB)
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