Copy/Paste of a folder fails in a File Share folder opened from Quick Access

[v-xianya]

Storage Explorer Version

1.45.0-preview.1

Regression From

Not a regression

Architecture

x64

Storage Explorer Build Number

20260715.1

Platform

All

OS Version

Windows 11 arm64/Windows 11 x64/MacOS Tahoe 26.4.3/Linux Ubuntu 22.04

Bug Description

Copying and pasting a folder within a file share folder opened from Quick Access fails. The operation returns a 403 AuthenticationFailed error indicating that the SAS signature does not match.

Resource Types

Files

Authentication Method

None

Connection Type

None

Steps to Reproduce

1. Launch Storage Explorer.
2. Expand a storage account and select File Shares.
3. Create a file share -> Create a folder named f1 in the file share.
4. Under f1, create two subfolders named f2 and f3.
5. Pin f1 to Quick Access -> Open f1 from Quick Access.
6. Copy f3 and paste it into f2.
7. Verify whether the copy operation completes successfully.

Actual Experience

The copy operation fails with a 403 AuthenticationFailed error.

Error details:
{ "name": null, "message": "\"Cannot perform copy due to error: cannot list files due to reason GET https://0715adlsy.file.core.windows.net/fs-01\\n--------------------------------------------------------------------------------\\nRESPONSE 403: 403 Server failed to authenticate the request. Make sure the value of Authorization header is formed correctly including the signature.\\nERROR CODE: AuthenticationFailed\\n--------------------------------------------------------------------------------\\n<?xml version=\\\"1.0\\\" encoding=\\\"utf-8\\\"?><Error><Code>AuthenticationFailed</Code><Message>Server failed to authenticate the request. Make sure the value of Authorization header is formed correctly including the signature.\\nRequestId:2ce0df36-a01a-0003-533d-1411e2000000\\nTime:2026-07-15T09:37:47.8148998Z</Message><AuthenticationErrorDetail>Signature did not match. String to sign used was rl\\n2026-07-15T09:22:42Z\\n2026-12-30T09:37:42Z\\n/file/0715adlsy/$root\\n\\n\\n\\n2025-11-05\\n\\n\\n\\n\\n</AuthenticationErrorDetail></Error>\\n--------------------------------------------------------------------------------\\nERROR DETAILS: https://aka.ms/AzCopyError/AuthenticationFailed\"" }

Expected Experience

The folder should be copied successfully.

Additional Context

No response

[charan-kamasani]

The fix for this issue has been merged into main and is targeted for the 1.45.0 release. Closing as resolved. If you continue to see this in a build that includes the fix, please comment and we'll reopen.

[v-xianya]

Verified this issue on the main build 20260722,1. Reproduce, So, we are going to reopen it.

[charan-kamasani]

Fixed and shipped to main. The fix (source PR 760950) shipped via azcopy-extension 1.7.38, published to the feed and consumed by Standalone in pin-bump PR 761372 (merged to main as 75d0f60093).

[v-xianya]

The bug verification is blocked by the bug 9137, will verify it after the bug got fixed.

[v-xianya]

We are going to reopen this issue for better track.