diff --git a/Core/src/org/sleuthkit/autopsy/casemodule/CollaborationMonitor.java b/Core/src/org/sleuthkit/autopsy/casemodule/CollaborationMonitor.java
index ab55b67c5b..5758d5d8b5 100644
--- a/Core/src/org/sleuthkit/autopsy/casemodule/CollaborationMonitor.java
+++ b/Core/src/org/sleuthkit/autopsy/casemodule/CollaborationMonitor.java
@@ -122,8 +122,8 @@ final class CollaborationMonitor {
          * 2. Check for stale remote tasks.<br>
          */
         periodicTasksExecutor = new ScheduledThreadPoolExecutor(NUMBER_OF_PERIODIC_TASK_THREADS, new ThreadFactoryBuilder().setNameFormat(PERIODIC_TASK_THREAD_NAME).build());
-        periodicTasksExecutor.scheduleAtFixedRate(new HeartbeatTask(), HEARTBEAT_INTERVAL_MINUTES, HEARTBEAT_INTERVAL_MINUTES, TimeUnit.MINUTES);
-        periodicTasksExecutor.scheduleAtFixedRate(new StaleTaskDetectionTask(), STALE_TASKS_DETECT_INTERVAL_MINS, STALE_TASKS_DETECT_INTERVAL_MINS, TimeUnit.MINUTES);
+        periodicTasksExecutor.scheduleWithFixedDelay(new HeartbeatTask(), HEARTBEAT_INTERVAL_MINUTES, HEARTBEAT_INTERVAL_MINUTES, TimeUnit.MINUTES);
+        periodicTasksExecutor.scheduleWithFixedDelay(new StaleTaskDetectionTask(), STALE_TASKS_DETECT_INTERVAL_MINS, STALE_TASKS_DETECT_INTERVAL_MINS, TimeUnit.MINUTES);
     }
 
     /**
diff --git a/Core/src/org/sleuthkit/autopsy/core/ServicesMonitor.java b/Core/src/org/sleuthkit/autopsy/core/ServicesMonitor.java
index 142731a9ab..861c17ac9a 100644
--- a/Core/src/org/sleuthkit/autopsy/core/ServicesMonitor.java
+++ b/Core/src/org/sleuthkit/autopsy/core/ServicesMonitor.java
@@ -54,7 +54,7 @@ public class ServicesMonitor {
 
     private static final String PERIODIC_TASK_THREAD_NAME = "services-monitor-periodic-task-%d"; //NON-NLS
     private static final int NUMBER_OF_PERIODIC_TASK_THREADS = 1;
-    private static final long CRASH_DETECTION_INTERVAL_MINUTES = 2;
+    private static final long CRASH_DETECTION_INTERVAL_MINUTES = 15;
 
     private static final Set<String> servicesList = Stream.of(ServicesMonitor.Service.values())
             .map(Service::toString)
@@ -143,7 +143,7 @@ public class ServicesMonitor {
          * services.
          */
         periodicTasksExecutor = new ScheduledThreadPoolExecutor(NUMBER_OF_PERIODIC_TASK_THREADS, new ThreadFactoryBuilder().setNameFormat(PERIODIC_TASK_THREAD_NAME).build());
-        periodicTasksExecutor.scheduleAtFixedRate(new CrashDetectionTask(), CRASH_DETECTION_INTERVAL_MINUTES, CRASH_DETECTION_INTERVAL_MINUTES, TimeUnit.MINUTES);
+        periodicTasksExecutor.scheduleWithFixedDelay(new CrashDetectionTask(), CRASH_DETECTION_INTERVAL_MINUTES, CRASH_DETECTION_INTERVAL_MINUTES, TimeUnit.MINUTES);
     }
 
     /**
diff --git a/Core/src/org/sleuthkit/autopsy/imagewriter/ImageWriter.java b/Core/src/org/sleuthkit/autopsy/imagewriter/ImageWriter.java
index dcdbca0379..b7d064aa44 100644
--- a/Core/src/org/sleuthkit/autopsy/imagewriter/ImageWriter.java
+++ b/Core/src/org/sleuthkit/autopsy/imagewriter/ImageWriter.java
@@ -174,7 +174,7 @@ class ImageWriter implements PropertyChangeListener{
                 periodicTasksExecutor = new ScheduledThreadPoolExecutor(1, new ThreadFactoryBuilder().setNameFormat("image-writer-progress-update-%d").build()); //NON-NLS
                 progressHandle = ProgressHandle.createHandle(Bundle.ImageWriter_progressBar_message(dataSourceName));
                 progressHandle.start(100);
-                progressUpdateTask = periodicTasksExecutor.scheduleAtFixedRate(
+                progressUpdateTask = periodicTasksExecutor.scheduleWithFixedDelay(
                         new ProgressUpdateTask(progressHandle, imageHandle), 0, 250, TimeUnit.MILLISECONDS);
             }
 
diff --git a/Experimental/src/org/sleuthkit/autopsy/experimental/autoingest/AutoIngestManager.java b/Experimental/src/org/sleuthkit/autopsy/experimental/autoingest/AutoIngestManager.java
index 1a1f60a2bc..41a5d46192 100644
--- a/Experimental/src/org/sleuthkit/autopsy/experimental/autoingest/AutoIngestManager.java
+++ b/Experimental/src/org/sleuthkit/autopsy/experimental/autoingest/AutoIngestManager.java
@@ -227,10 +227,10 @@ final class AutoIngestManager extends Observable implements PropertyChangeListen
         }
         rootInputDirectory = Paths.get(AutoIngestUserPreferences.getAutoModeImageFolder());
         rootOutputDirectory = Paths.get(AutoIngestUserPreferences.getAutoModeResultsFolder());
-        inputScanSchedulingExecutor.scheduleAtFixedRate(new InputDirScanSchedulingTask(), 0, AutoIngestUserPreferences.getMinutesOfInputScanInterval(), TimeUnit.MINUTES);
+        inputScanSchedulingExecutor.scheduleWithFixedDelay(new InputDirScanSchedulingTask(), 0, AutoIngestUserPreferences.getMinutesOfInputScanInterval(), TimeUnit.MINUTES);
         jobProcessingTask = new JobProcessingTask();
         jobProcessingTaskFuture = jobProcessingExecutor.submit(jobProcessingTask);
-        jobStatusPublishingExecutor.scheduleAtFixedRate(new PeriodicJobStatusEventTask(), JOB_STATUS_EVENT_INTERVAL_SECONDS, JOB_STATUS_EVENT_INTERVAL_SECONDS, TimeUnit.SECONDS);
+        jobStatusPublishingExecutor.scheduleWithFixedDelay(new PeriodicJobStatusEventTask(), JOB_STATUS_EVENT_INTERVAL_SECONDS, JOB_STATUS_EVENT_INTERVAL_SECONDS, TimeUnit.SECONDS);
         eventPublisher.addSubscriber(EVENT_LIST, instance);
         state = State.RUNNING;
         errorState = ErrorState.NONE;
diff --git a/Experimental/src/org/sleuthkit/autopsy/experimental/autoingest/AutoIngestMonitor.java b/Experimental/src/org/sleuthkit/autopsy/experimental/autoingest/AutoIngestMonitor.java
index 9209fa1147..b8c5fcf23a 100644
--- a/Experimental/src/org/sleuthkit/autopsy/experimental/autoingest/AutoIngestMonitor.java
+++ b/Experimental/src/org/sleuthkit/autopsy/experimental/autoingest/AutoIngestMonitor.java
@@ -92,7 +92,7 @@ final class AutoIngestMonitor extends Observable implements PropertyChangeListen
         } catch (AutopsyEventException ex) {
             throw new AutoIngestMonitorException("Failed to open auto ingest event channel", ex); //NON-NLS
         }
-        coordSvcQueryExecutor.scheduleAtFixedRate(new CoordinationServiceQueryTask(), 0, CORRD_SVC_QUERY_INERVAL_MINS, TimeUnit.MINUTES);
+        coordSvcQueryExecutor.scheduleWithFixedDelay(new CoordinationServiceQueryTask(), 0, CORRD_SVC_QUERY_INERVAL_MINS, TimeUnit.MINUTES);
         eventPublisher.addSubscriber(EVENT_LIST, this);
     }