# Copy command in a batch file: Connection lost

DKKABG
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Location:
Germany

## Copy command in a batch file: Connection lost

If a few hundred files are to be transferred, the transfer stops after about 50 files and then continues.
Error message:
Connection lost.
Connection to remote computer lost.
What is the reason?
How to avoid this effect?

martin
Joined:
Posts:
38,685
Location:
Prague, Czechia

## Re: Copy command in a batch file: Connection lost

Hard too tell. But it's not that unusual that network connections are interrupted. In any case, WinSCP should reconnect automatically.

If you want more specific answer or if the reconnect does not happen/work, please attach a full session log file showing the problem (using the latest version of WinSCP).

To generate the session log file, use /log=C:\path\to\winscp.log command-line argument. Submit the log with your post as an attachment. Note that passwords and passphrases not stored in the log. You may want to remove other data you consider sensitive though, such as host names, IP addresses, account names or file names (unless they are relevant to the problem). If you do not want to post the log publicly, you can mark the attachment as private.

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