diff --git a/test/SmokeTests/OOProcSmokeTests/DotNetIsolated/FaultyOrchestrators.cs b/test/SmokeTests/OOProcSmokeTests/DotNetIsolated/FaultyOrchestrators.cs
index 66b2bdf31..dd7327f94 100644
--- a/test/SmokeTests/OOProcSmokeTests/DotNetIsolated/FaultyOrchestrators.cs
+++ b/test/SmokeTests/OOProcSmokeTests/DotNetIsolated/FaultyOrchestrators.cs
@@ -110,7 +110,7 @@ public static async Task<HttpResponseData> HttpStartOOMOrchestrator(
 
             // Function input comes from the request content.
             string instanceId = await client.ScheduleNewOrchestrationInstanceAsync(
-                nameof(OOMOrchestrator), instanceId: "OOMOrchestrator");
+                nameof(OOMOrchestrator));
 
             logger.LogInformation("Started orchestration with ID = '{instanceId}'.", instanceId);
 
@@ -129,7 +129,7 @@ public static async Task<HttpResponseData> HttpStartProcessExitOrchestrator(
 
             // Function input comes from the request content.
             string instanceId = await client.ScheduleNewOrchestrationInstanceAsync(
-                nameof(ProcessExitOrchestrator), instanceId: "ProcessExitOrchestrator");
+                nameof(ProcessExitOrchestrator));
 
             logger.LogInformation("Started orchestration with ID = '{instanceId}'.", instanceId);
 
@@ -148,7 +148,7 @@ public static async Task<HttpResponseData> HttpStartTimeoutOrchestrator(
 
             // Function input comes from the request content.
             string instanceId = await client.ScheduleNewOrchestrationInstanceAsync(
-                nameof(TimeoutOrchestrator), instanceId: "TimeoutOrchestrator");
+                nameof(TimeoutOrchestrator));
 
             logger.LogInformation("Started orchestration with ID = '{instanceId}'.", instanceId);
 
diff --git a/test/SmokeTests/OOProcSmokeTests/DotNetIsolated/run-smoke-tests.ps1 b/test/SmokeTests/OOProcSmokeTests/DotNetIsolated/run-smoke-tests.ps1
index ffba1db24..aa2dd123b 100644
--- a/test/SmokeTests/OOProcSmokeTests/DotNetIsolated/run-smoke-tests.ps1
+++ b/test/SmokeTests/OOProcSmokeTests/DotNetIsolated/run-smoke-tests.ps1
@@ -6,55 +6,76 @@ param(
 	[string]$HttpStartPath
 )
 
-# This delay a bit excessive, but we want to make sure the Functions runtime is up and running before we start the orchestration
-# This number was determined, through trial and error, to be a safe amount of time to wait
-Start-Sleep -Seconds 40
-
-try {
-	# Make sure the Functions runtime is up and running
-	$pingUrl = "http://localhost:7071/admin/host/ping"
-	Write-Host "Pinging app at $pingUrl to ensure the host is healthy" -ForegroundColor Yellow
-	Invoke-RestMethod -Method Post -Uri "http://localhost:7071/admin/host/ping"
-	Write-Host "Host is healthy!" -ForegroundColor Green
-
-    # Note that any HTTP protocol errors (e.g. HTTP 4xx or 5xx) will cause an immediate failure
-    $startOrchestrationUri = "http://localhost:7071/$HttpStartPath"
-    Write-Host "Starting a new orchestration instance via POST to $startOrchestrationUri..." -ForegroundColor Yellow
-
-    $result = Invoke-RestMethod -Method Post -Uri $startOrchestrationUri
-    Write-Host "Started orchestration with instance ID '$($result.id)'!" -ForegroundColor Yellow
-    Write-Host "Waiting for orchestration to complete..." -ForegroundColor Yellow
-
-    $retryCount = 0
-    $success = $false
-    $statusUrl = $result.statusQueryGetUri
-
-    while ($retryCount -lt 65) {
-        $result = Invoke-RestMethod -Method Get -Uri $statusUrl
-        $runtimeStatus = $result.runtimeStatus
-        Write-Host "Orchestration is $runtimeStatus" -ForegroundColor Yellow
-        Write-Host $result
-
-        if ($result.runtimeStatus -eq "Completed") {
-            $success = $true
+Do {
+    $testIsRunning = $true;
+
+    # Start the functions host if it's not running already.
+    # Then give it 40 seconds to start up. This is a long wait, but from experience the CI can be slow to start up the host.
+    $isFunctionsHostRunning = (Get-Process -Name func -ErrorAction SilentlyContinue)
+    if ($isFunctionsHostRunning -eq $null) {
+        Write-Host "Starting the Functions host..." -ForegroundColor Yellow
+
+        # The '&' operator is used to run the command in the background
+        cd ./test/SmokeTests/OOProcSmokeTests/DotNetIsolated && func host start --port 7071 &
+        
+        Write-Host "Waiting for the Functions host to start up..." -ForegroundColor Yellow
+        Start-Sleep -Seconds 40
+    }
+
+    
+    try {
+        # Make sure the Functions runtime is up and running
+        $pingUrl = "http://localhost:7071/admin/host/ping"
+        Write-Host "Pinging app at $pingUrl to ensure the host is healthy" -ForegroundColor Yellow
+        Invoke-RestMethod -Method Post -Uri "http://localhost:7071/admin/host/ping"
+        Write-Host "Host is healthy!" -ForegroundColor Green
+
+        # Note that any HTTP protocol errors (e.g. HTTP 4xx or 5xx) will cause an immediate failure
+        $startOrchestrationUri = "http://localhost:7071/$HttpStartPath"
+        Write-Host "Starting a new orchestration instance via POST to $startOrchestrationUri..." -ForegroundColor Yellow
+
+        $result = Invoke-RestMethod -Method Post -Uri $startOrchestrationUri
+        Write-Host "Started orchestration with instance ID '$($result.id)'!" -ForegroundColor Yellow
+        Write-Host "Waiting for orchestration to complete..." -ForegroundColor Yellow
+
+        $retryCount = 0
+        $success = $false
+        $statusUrl = $result.statusQueryGetUri
+
+        while ($retryCount -lt 65) {
+            $result = Invoke-RestMethod -Method Get -Uri $statusUrl
+            $runtimeStatus = $result.runtimeStatus
+            Write-Host "Orchestration is $runtimeStatus" -ForegroundColor Yellow
             Write-Host $result
-            break
+
+            if ($result.runtimeStatus -eq "Completed") {
+                $success = $true
+                $testIsRunning = $false
+                break
+            }
+
+            cd ./test/SmokeTests/OOProcSmokeTests/DotNetIsolated && func host start --port 7071 &
+            Start-Sleep -Seconds 30
+            $retryCount = $retryCount + 1
         }
 
-        cd ./test/SmokeTests/OOProcSmokeTests/DotNetIsolated && func host start --port 7071 &
-        Start-Sleep -Seconds 30
-        $retryCount = $retryCount + 1
+        if ($success -eq $false) {
+            throw "Orchestration didn't complete in time! :("
+        }
+    } catch {
+        Write-Host "An error occurred:" -ForegroundColor Red
+        Write-Host $_ -ForegroundColor Red
+
+        # Rethrow the original exception
+        throw
     }
 
-	if ($success -eq $false) {
-		throw "Orchestration didn't complete in time! :("
-	}
-} catch {
-	Write-Host "An error occurred:" -ForegroundColor Red
-	Write-Host $_ -ForegroundColor Red
+    
+    # This delay a bit excessive, but we want to make sure the Functions runtime is up and running before we start the orchestration
+    # This number was determined, through trial and error, to be a safe amount of time to wait
+    Start-Sleep -Seconds 40
+} while ($testIsRunning -eq $true)
+
 
-	# Rethrow the original exception
-	throw
-}
 
 Write-Host "Success!" -ForegroundColor Green
\ No newline at end of file