diff --git a/cmake/sample_defs/cpu1_platform_cfg.h b/cmake/sample_defs/cpu1_platform_cfg.h
index eb49f1f09..3e85be30c 100644
--- a/cmake/sample_defs/cpu1_platform_cfg.h
+++ b/cmake/sample_defs/cpu1_platform_cfg.h
@@ -1005,22 +1005,40 @@
 #define CFE_PLATFORM_ES_DEFAULT_CDS_REG_DUMP_FILE     "/ram/cfe_cds_reg.log"
 
 /**
-**  \cfeescfg Define Default System Log Mode
+**  \cfeescfg Define Default System Log Mode following Power On Reset
 **
 **  \par Description:
-**       Defines the default mode for the operation of the ES System log. The log may
-**       operate in either Overwrite mode = 0, where once the log becomes full the
-**       oldest message in the log will be overwritten, or Discard mode = 1, where
-**       once the log becomes full the contents of the log are preserved and the new
-**       event is discarded.  This constant may hold a value of either 0 or 1
-**       depending on the desired default log mode.  Overwrite Mode = 0, Discard
-**       Mode = 1.
+**       Defines the default mode for the operation of the ES System log following a power
+**       on reset. The log may operate in either Overwrite mode = 0, where once the
+**       log becomes full the oldest message in the log will be overwritten, or
+**       Discard mode = 1, where once the log becomes full the contents of the log are
+**       preserved and the new event is discarded.  This constant may hold a value of
+**       either 0 or 1 depending on the desired default.
+**       Overwrite Mode = 0, Discard Mode = 1.
+**
+**  \par Limits
+**       There is a lower limit of 0 and an upper limit of 1 on this configuration
+**       paramater.
+*/
+#define CFE_PLATFORM_ES_DEFAULT_POR_SYSLOG_MODE      0
+
+/**
+**  \cfeescfg Define Default System Log Mode following Processor Reset
+**
+**  \par Description:
+**       Defines the default mode for the operation of the ES System log following a
+**       processor reset. The log may operate in either Overwrite mode = 0, where once
+**       the log becomes full the oldest message in the log will be overwritten, or
+**       Discard mode = 1, where once the log becomes full the contents of the log are
+**       preserved and the new event is discarded.  This constant may hold a value of
+**       either 0 or 1 depending on the desired default.
+**       Overwrite Mode = 0, Discard Mode = 1.
 **
 **  \par Limits
 **       There is a lower limit of 0 and an upper limit of 1 on this configuration
 **       paramater.
 */
-#define CFE_PLATFORM_ES_DEFAULT_SYSLOG_MODE      1
+#define CFE_PLATFORM_ES_DEFAULT_PR_SYSLOG_MODE      1
 
 /**
 **  \cfeescfg Define Max Number of Performance IDs
@@ -1997,7 +2015,7 @@
 #define CFE_ES_DEFAULT_ER_LOG_FILE          CFE_PLATFORM_ES_DEFAULT_ER_LOG_FILE
 #define CFE_ES_DEFAULT_PERF_DUMP_FILENAME   CFE_PLATFORM_ES_DEFAULT_PERF_DUMP_FILENAME
 #define CFE_ES_DEFAULT_CDS_REG_DUMP_FILE    CFE_PLATFORM_ES_DEFAULT_CDS_REG_DUMP_FILE
-#define CFE_ES_DEFAULT_SYSLOG_MODE          CFE_PLATFORM_ES_DEFAULT_SYSLOG_MODE
+#define CFE_ES_DEFAULT_SYSLOG_MODE          CFE_PLATFORM_ES_DEFAULT_PR_SYSLOG_MODE
 #define CFE_ES_PERF_MAX_IDS                 CFE_PLATFORM_ES_PERF_MAX_IDS
 #define CFE_ES_PERF_DATA_BUFFER_SIZE        CFE_PLATFORM_ES_PERF_DATA_BUFFER_SIZE
 #define CFE_ES_PERF_FILTMASK_NONE           CFE_PLATFORM_ES_PERF_FILTMASK_NONE
diff --git a/fsw/cfe-core/src/es/cfe_es_task.c b/fsw/cfe-core/src/es/cfe_es_task.c
index 215aa52a7..b04813991 100644
--- a/fsw/cfe-core/src/es/cfe_es_task.c
+++ b/fsw/cfe-core/src/es/cfe_es_task.c
@@ -227,9 +227,16 @@ int32 CFE_ES_TaskInit(void)
     CFE_ES_TaskData.LimitCmd  = 4;
 
     /*
-    ** Initialize systemlog to default mode
+    ** Initialize systemlog to default Power On or Processor Reset mode
     */
-    CFE_ES_ResetDataPtr->SystemLogMode = CFE_PLATFORM_ES_DEFAULT_SYSLOG_MODE;
+    if (CFE_ES_GetResetType(NULL) == CFE_PSP_RST_TYPE_POWERON)                                                                   
+    {
+        CFE_ES_ResetDataPtr->SystemLogMode = CFE_PLATFORM_ES_DEFAULT_POR_SYSLOG_MODE;
+    }
+    else
+    {
+        CFE_ES_ResetDataPtr->SystemLogMode = CFE_PLATFORM_ES_DEFAULT_PR_SYSLOG_MODE;
+    }
 
     /*
     ** Register event filter table.
diff --git a/fsw/cfe-core/unit-test/es_UT.c b/fsw/cfe-core/unit-test/es_UT.c
index 1963ded0d..ac7608c8d 100644
--- a/fsw/cfe-core/unit-test/es_UT.c
+++ b/fsw/cfe-core/unit-test/es_UT.c
@@ -2528,15 +2528,27 @@ void TestTask(void)
               "CFE_ES_TaskInit",
               "Checksum fail");
 
-    /* Test successful task main process loop */
+    /* Test successful task main process loop - Power On Reset Path */
     ES_ResetUnitTest();
     CFE_ES_Global.TaskTable[1].RecordUsed = true; /* this is needed so CFE_ES_GetAppId works */
     CFE_ES_Global.TaskTable[1].AppId = 1;
+    CFE_ES_ResetDataPtr->ResetVars.ResetType = 2;
     UT_Report(__FILE__, __LINE__,
               CFE_ES_TaskInit() == CFE_SUCCESS &&
               CFE_ES_TaskData.HkPacket.Payload.CFECoreChecksum != 0xFFFF,
               "CFE_ES_TaskInit",
-              "Checksum success");
+              "Checksum success, POR Path");
+
+    /* Test successful task main process loop - Processor Reset Path */
+    ES_ResetUnitTest();
+    CFE_ES_Global.TaskTable[1].RecordUsed = true; /* this is needed so CFE_ES_GetAppId works */
+    CFE_ES_Global.TaskTable[1].AppId = 1;
+    CFE_ES_ResetDataPtr->ResetVars.ResetType = 1;
+    UT_Report(__FILE__, __LINE__,
+              CFE_ES_TaskInit() == CFE_SUCCESS &&
+              CFE_ES_TaskData.HkPacket.Payload.CFECoreChecksum != 0xFFFF,
+              "CFE_ES_TaskInit",
+              "Checksum success, PR Path");
 
     /* Test task main process loop with a register app failure */
     ES_ResetUnitTest();