diff --git a/configuration/scripts/machines/env.ppp5_intel b/configuration/scripts/machines/env.ppp5_intel
index c4987124a..caf566d6b 100644
--- a/configuration/scripts/machines/env.ppp5_intel
+++ b/configuration/scripts/machines/env.ppp5_intel
@@ -32,6 +32,7 @@ setenv ICE_MACHINE_MAKE make
 setenv ICE_MACHINE_WKDIR ~/data/ppp5/cice/runs/
 setenv ICE_MACHINE_INPUTDATA /space/hall5/sitestore/eccc/cmd/e/sice500/
 setenv ICE_MACHINE_BASELINE ~/data/ppp5/cice/baselines/
+setenv ICE_MACHINE_MAXRUNLENGTH 6
 setenv ICE_MACHINE_SUBMIT qsub
 setenv ICE_MACHINE_TPNODE 80 
 setenv ICE_MACHINE_ACCT unused
diff --git a/configuration/scripts/machines/env.ppp6_gnu b/configuration/scripts/machines/env.ppp6_gnu
index 69ed6ff8b..cc88c8455 100644
--- a/configuration/scripts/machines/env.ppp6_gnu
+++ b/configuration/scripts/machines/env.ppp6_gnu
@@ -21,6 +21,7 @@ setenv ICE_MACHINE_MAKE make
 setenv ICE_MACHINE_WKDIR ~/data/site6/cice/runs/
 setenv ICE_MACHINE_INPUTDATA /space/hall6/sitestore/eccc/cmd/e/sice500/
 setenv ICE_MACHINE_BASELINE ~/data/site6/cice/baselines/
+setenv ICE_MACHINE_MAXRUNLENGTH 6
 setenv ICE_MACHINE_SUBMIT qsub
 setenv ICE_MACHINE_TPNODE 80 
 setenv ICE_MACHINE_ACCT unused
diff --git a/configuration/scripts/machines/env.ppp6_gnu-impi b/configuration/scripts/machines/env.ppp6_gnu-impi
index 461e09a43..2f160f6f4 100644
--- a/configuration/scripts/machines/env.ppp6_gnu-impi
+++ b/configuration/scripts/machines/env.ppp6_gnu-impi
@@ -30,6 +30,7 @@ setenv ICE_MACHINE_MAKE make
 setenv ICE_MACHINE_WKDIR ~/data/site6/cice/runs/
 setenv ICE_MACHINE_INPUTDATA /space/hall6/sitestore/eccc/cmd/e/sice500/
 setenv ICE_MACHINE_BASELINE ~/data/site6/cice/baselines/
+setenv ICE_MACHINE_MAXRUNLENGTH 6
 setenv ICE_MACHINE_SUBMIT qsub
 setenv ICE_MACHINE_TPNODE 80 
 setenv ICE_MACHINE_ACCT unused
diff --git a/configuration/scripts/machines/env.ppp6_intel b/configuration/scripts/machines/env.ppp6_intel
index ef9396575..ab3bf737a 100644
--- a/configuration/scripts/machines/env.ppp6_intel
+++ b/configuration/scripts/machines/env.ppp6_intel
@@ -32,6 +32,7 @@ setenv ICE_MACHINE_MAKE make
 setenv ICE_MACHINE_WKDIR ~/data/ppp6/cice/runs/
 setenv ICE_MACHINE_INPUTDATA /space/hall6/sitestore/eccc/cmd/e/sice500/
 setenv ICE_MACHINE_BASELINE ~/data/ppp6/cice/baselines/
+setenv ICE_MACHINE_MAXRUNLENGTH 6
 setenv ICE_MACHINE_SUBMIT qsub
 setenv ICE_MACHINE_TPNODE 80 
 setenv ICE_MACHINE_ACCT unused
diff --git a/configuration/scripts/machines/env.ppp6_intel19 b/configuration/scripts/machines/env.ppp6_intel19
index 6cdd9a036..cfc7623e4 100644
--- a/configuration/scripts/machines/env.ppp6_intel19
+++ b/configuration/scripts/machines/env.ppp6_intel19
@@ -31,6 +31,7 @@ setenv ICE_MACHINE_MAKE make
 setenv ICE_MACHINE_WKDIR ~/data/site6/cice/runs/
 setenv ICE_MACHINE_INPUTDATA /space/hall6/sitestore/eccc/cmd/e/sice500/
 setenv ICE_MACHINE_BASELINE ~/data/site6/cice/baselines/
+setenv ICE_MACHINE_MAXRUNLENGTH 6
 setenv ICE_MACHINE_SUBMIT "qsub"
 setenv ICE_MACHINE_TPNODE 80
 setenv ICE_MACHINE_ACCT P0000000