From d833aca0d52b4be30e7fc24af0185d63da7d2aa5 Mon Sep 17 00:00:00 2001
From: Carl Johnsen <carl-johannes@di.ku.dk>
Date: Fri, 13 Feb 2026 16:48:52 +0100
Subject: [PATCH] Handled online disks during restore

---
 Duplicati/UnitTest/DiskImageTests.cs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Duplicati/UnitTest/DiskImageTests.cs b/Duplicati/UnitTest/DiskImageTests.cs
index 351131e52..c1767b210 100644
--- a/Duplicati/UnitTest/DiskImageTests.cs
+++ b/Duplicati/UnitTest/DiskImageTests.cs
@@ -397,7 +397,8 @@ namespace Duplicati.UnitTest
 
             // Initialize disk (the restore will overwrite this, but we need it formatted)
             DiskImageVhdHelper.InitializeDisk(_restoreDiskNumber, tableType);
-            DiskImageVhdHelper.CreateAndFormatPartition(_restoreDiskNumber, fsType);
+            var restoreDriveLetter = DiskImageVhdHelper.CreateAndFormatPartition(_restoreDiskNumber, fsType);
+            DiskImageVhdHelper.UnmountForWriting(_restoreVhdPath, restoreDriveLetter);
 
             return physicalDrivePath;
         }