diff --git a/scripts/windows/coco-dev-setup/batch/scripts/nab_install_mongodb.bat b/scripts/windows/coco-dev-setup/batch/scripts/nab_install_mongodb.bat
index 2906bc458..84d9a3691 100755
--- a/scripts/windows/coco-dev-setup/batch/scripts/nab_install_mongodb.bat
+++ b/scripts/windows/coco-dev-setup/batch/scripts/nab_install_mongodb.bat
@@ -32,4 +32,6 @@ call %work_directory%\print_dashed_seperator
 
 taskkill /F /fi "IMAGENAME eq mongod.exe"
 
+del /F %~1\mongod.lock
+
 cd /D %work_directory%
\ No newline at end of file