diff --git a/scripts/linux/runE2ETest.sh b/scripts/linux/runE2ETest.sh
index 4ad66340e6c..2ca74075b65 100755
--- a/scripts/linux/runE2ETest.sh
+++ b/scripts/linux/runE2ETest.sh
@@ -479,6 +479,14 @@ function process_args() {
     echo 'Required parameters are provided'
 }
 
+function get_hash() {
+    # TODO: testHelper.sh needs to be shared across build pipelines
+    local length=$1
+    local hash=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | head -c $length)
+
+    echo "$hash"
+}
+
 function run_all_tests()
 {
     local funcRet=0
@@ -698,7 +706,7 @@ function run_longhaul_test() {
     print_highlighted_message "Run Long Haul test for $image_architecture_label"
     test_setup
 
-    local device_id="$RELEASE_LABEL-Linux-$image_architecture_label-longhaul"
+    local device_id="$RELEASE_LABEL-Linux-$image_architecture_label-longhaul-$(get_hash 8)"
 
     test_start_time="$(date '+%Y-%m-%d %H:%M:%S')"
     print_highlighted_message "Run Long Haul test with -d '$device_id' started at $test_start_time"
@@ -776,7 +784,7 @@ function run_stress_test() {
     print_highlighted_message "Run Stress test for $image_architecture_label"
     test_setup
 
-    local device_id="$RELEASE_LABEL-Linux-$image_architecture_label-stress"
+    local device_id="$RELEASE_LABEL-Linux-$image_architecture_label-stress-$(get_hash 8)"
 
     test_start_time="$(date '+%Y-%m-%d %H:%M:%S')"
     print_highlighted_message "Run Stress test with -d '$device_id' started at $test_start_time"
diff --git a/scripts/windows/test/Run-E2ETest.ps1 b/scripts/windows/test/Run-E2ETest.ps1
index c6b26090f29..0e507eb0212 100644
--- a/scripts/windows/test/Run-E2ETest.ps1
+++ b/scripts/windows/test/Run-E2ETest.ps1
@@ -382,6 +382,11 @@ Function GetImageArchitectureLabel
     Throw "Can't find image architecture label for $Architecture"
 }
 
+Function GetHash
+{
+    return -join ((48..57) + (65..90) + (97..122) | Get-Random -Count $args[0] | % {[char]$_})
+}
+
 Function GetLongHaulDeploymentFilename
 {
     If (GetImageArchitectureLabel -eq "amd64")
@@ -1022,7 +1027,7 @@ Function RunLongHaulTest
     TestSetup
 
     $testStartAt = Get-Date
-    $deviceId = "${ReleaseLabel}-Windows-${Architecture}-longHaul"
+    $deviceId = "${ReleaseLabel}-Windows-${Architecture}-longHaul-$(GetHash 8)"
     PrintHighlightedMessage "Run Long Haul test with -d ""$deviceId"" started at $testStartAt"
 
     $testCommand = "&$IotEdgeQuickstartExeTestPath ``
@@ -1054,7 +1059,7 @@ Function RunStressTest
     TestSetup
 
     $testStartAt = Get-Date
-    $deviceId = "${ReleaseLabel}-Windows-${Architecture}-stress"
+    $deviceId = "${ReleaseLabel}-Windows-${Architecture}-stress-$(GetHash 8)"
     PrintHighlightedMessage "Run Stress test with -d ""$deviceId"" started at $testStartAt"
 
     $testCommand = "&$IotEdgeQuickstartExeTestPath ``