diff --git a/Trigger/TrigAlgorithms/TrigCaloRec/src/HLTCaloCellMaker.cxx b/Trigger/TrigAlgorithms/TrigCaloRec/src/HLTCaloCellMaker.cxx
index c91155fe022aac04f6d19dbdd13b18d718977f67..e9dcff01f753e7d2097cb8af9559730c17c62f42 100644
--- a/Trigger/TrigAlgorithms/TrigCaloRec/src/HLTCaloCellMaker.cxx
+++ b/Trigger/TrigAlgorithms/TrigCaloRec/src/HLTCaloCellMaker.cxx
@@ -37,7 +37,7 @@ HLTCaloCellMaker::~HLTCaloCellMaker()
 
 StatusCode HLTCaloCellMaker::initialize() {
   ATH_CHECK( m_roiCollectionKey.initialize() );
-  if ( m_roiMode ) 
+  if ( m_roiMode )
     ATH_CHECK( m_cellContainerKey.initialize() );
   else
     ATH_CHECK( m_cellContainerVKey.initialize() );
@@ -48,9 +48,13 @@ StatusCode HLTCaloCellMaker::initialize() {
 
 StatusCode HLTCaloCellMaker::execute( const EventContext& context ) const {
 
-
   auto roisHandle = SG::makeHandle( m_roiCollectionKey, context );
+  if ( not roisHandle.isValid() ) {
+    ATH_MSG_ERROR("Cell maker did not get a valid RoIs collection");
+    return StatusCode::FAILURE;
+  }
   const TrigRoiDescriptorCollection* roiCollection = roisHandle.cptr();
+  ATH_MSG_DEBUG("Operating on " << roiCollection->size() <<"RoI(s)");
 
   // datahandle 
   if ( m_roiMode ) {
diff --git a/Trigger/TrigAlgorithms/TrigT2CaloCommon/python/CaloDef.py b/Trigger/TrigAlgorithms/TrigT2CaloCommon/python/CaloDef.py
index 3642df254d12f13ec673976ac7b56b32c6d94b82..c6f89f4eccecb42e1772acde1cc8a599fead0230 100644
--- a/Trigger/TrigAlgorithms/TrigT2CaloCommon/python/CaloDef.py
+++ b/Trigger/TrigAlgorithms/TrigT2CaloCommon/python/CaloDef.py
@@ -1,4 +1,4 @@
-from AthenaCommon.Constants import ERROR
+from AthenaCommon.Constants import ERROR,DEBUG
 from AthenaCommon.CFElements import seqAND, parOR
 from ViewAlgs.ViewAlgsConf import EventViewCreatorAlgorithm
 
@@ -37,7 +37,7 @@ def _algoHLTTopoCluster(inputEDM="CellsClusters", OutputLevel=ERROR, algSuffix="
 def _algoHLTTopoClusterLC(inputEDM="CellsClusters", OutputLevel=ERROR, algSuffix="") :
    from TrigCaloRec.TrigCaloRecConfig import TrigCaloClusterMakerMT_topo
    algo = TrigCaloClusterMakerMT_topo(name="TrigCaloClusterMakerMT_topo"+algSuffix, doMoments=True, doLC=True, cells=inputEDM)
-   algo.CaloClusters="caloclusters"
+   algo.CaloClusters="HLT_TopoCaloClustersLC"
    algo.OutputLevel=OutputLevel
    return algo
 
@@ -104,26 +104,27 @@ def HLTCellMaker(RoIs='FSJETRoI', outputName="CaloCells", algSuffix=""):
     return cellMakerAlgo
 
 def HLTFSCellMakerRecoSequence(RoIs='FSJETRoI'):
-    cellMake = HLTCellMaker(RoIs, outputName="CaloCellsFS", algSuffix="FS")
-    RecoSequence = parOR("ClusterRecoSequenceFS", [cellMake])
-    return (RecoSequence, cellMake.CellsName)
+    cellMaker = HLTCellMaker(RoIs, outputName="CaloCellsFS", algSuffix="FS")
+    RecoSequence = parOR("ClusterRecoSequenceFS", [cellMaker])
+    return (RecoSequence, cellMaker.CellsName)
    
  
 def HLTFSTopoRecoSequence(RoIs):
-    cellMake = HLTCellMaker(RoIs, outputName="CaloCellsFS", algSuffix="FS")
-    topoClusterMaker = _algoHLTTopoCluster(inputEDM = cellMake.CellsName, algSuffix="FS")
-    RecoSequence = parOR("TopoClusterRecoSequenceFS", [cellMake, topoClusterMaker])
+    cellMaker = HLTCellMaker(RoIs, outputName="CaloCellsFS", algSuffix="FS")
+    topoClusterMaker = _algoHLTTopoCluster(inputEDM = cellMaker.CellsName, algSuffix="FS")
+    RecoSequence = parOR("TopoClusterRecoSequenceFS", [cellMaker, topoClusterMaker])
     return (RecoSequence, topoClusterMaker.CaloClusters)
 
 def HLTRoITopoRecoSequence(RoIs):
-    cellMake = HLTCellMaker(RoIs, algSuffix="RoI")
-    topoClusterMaker = _algoHLTTopoCluster(inputEDM = cellMake.CellsName, algSuffix="RoI")
-    RecoSequence = parOR("TopoClusterRecoSequenceRoI", [cellMake, topoClusterMaker])
+    cellMaker = HLTCellMaker(RoIs, algSuffix="RoI")
+    topoClusterMaker = _algoHLTTopoCluster(inputEDM = cellMaker.CellsName, algSuffix="RoI")
+    RecoSequence = parOR("RoITopoClusterRecoSequence", [cellMaker, topoClusterMaker])
     return (RecoSequence, topoClusterMaker.CaloClusters)
   
   
 def HLTLCTopoRecoSequence(RoIs='InViewRoIs'):
-    cellMake = HLTCellMaker(RoIs, outputName="CaloCellsLC", algSuffix="LC")
-    topoClusterMaker = _algoHLTTopoClusterLC(inputEDM = cellMake.CellsName, algSuffix="LC")
-    RecoSequence = parOR("LCTopoClusterRecoSequenceFS",[cellMake,topoClusterMaker])
+    cellMaker = HLTCellMaker(RoIs, outputName="CaloCellsLC", algSuffix="LC")
+    cellMaker.OutputLevel=DEBUG
+    topoClusterMaker = _algoHLTTopoClusterLC(inputEDM = cellMaker.CellsName, algSuffix="LC")
+    RecoSequence = parOR("TopoClusterRecoSequenceLC",[cellMaker,topoClusterMaker])
     return (RecoSequence, topoClusterMaker.CaloClusters)
diff --git a/Trigger/TrigHypothesis/TrigTauHypo/src/TrigTauCaloRoiUpdaterMT.h b/Trigger/TrigHypothesis/TrigTauHypo/src/TrigTauCaloRoiUpdaterMT.h
index 89eb202b719a3a393a939b3f3a57d7715da0edab..66918c224b0f7d166db2457383c0c0febb769d62 100644
--- a/Trigger/TrigHypothesis/TrigTauHypo/src/TrigTauCaloRoiUpdaterMT.h
+++ b/Trigger/TrigHypothesis/TrigTauHypo/src/TrigTauCaloRoiUpdaterMT.h
@@ -36,8 +36,8 @@ class TrigTauCaloRoiUpdaterMT : public AthAlgorithm {
 
   //SG::ReadHandleKey< xAOD::JetContainer > m_jetInputKey {this,"JetInputKey","TrigJetRec","Input Jet Collection Key, retrieved from reconstructed jets"};
   SG::ReadHandleKey< TrigRoiDescriptorCollection > m_roIInputKey {this,"RoIInputKey","Undefined",""};
-  SG::ReadHandleKey< xAOD::CaloClusterContainer > m_clustersKey { this, "calocluster_update", "caloclusters", "caloclusters in view" };
-  SG::WriteHandleKey< TrigRoiDescriptorCollection > m_roIOutputKey {this,"RoIOutputKey","EMViewRoIs","Output RoI Collection Key"};
+  SG::ReadHandleKey< xAOD::CaloClusterContainer > m_clustersKey { this, "CaloClustersKey", "Undefined", "caloclusters in view" };
+  SG::WriteHandleKey< TrigRoiDescriptorCollection > m_roIOutputKey {this,"RoIOutputKey","TauViewRoIs","Output RoI Collection Key"};
 };
  
 
diff --git a/Trigger/TrigValidation/TrigUpgradeTest/share/runMenuTest.ref b/Trigger/TrigValidation/TrigUpgradeTest/share/runMenuTest.ref
index 87eb4f6220f091849621687d591775aa7a3d4439..1f2cf74e81d8e1b1dee8fab437522788047e9cea 100644
--- a/Trigger/TrigValidation/TrigUpgradeTest/share/runMenuTest.ref
+++ b/Trigger/TrigValidation/TrigUpgradeTest/share/runMenuTest.ref
@@ -12,11 +12,11 @@ TrigSignatureMoniMT                                INFO HLT_5j70_0eta240_L1J20 d
 TrigSignatureMoniMT                                INFO HLT_e3_etcut1step_L1EM3       20        20        18        0         0         0         0         18        
 TrigSignatureMoniMT                                INFO HLT_e3_etcut1step_L1EM3 decisions                    54        0         0         0         0         
 TrigSignatureMoniMT                                INFO HLT_e3_etcut_L1EM3            20        20        18        17        0         0         0         17        
-TrigSignatureMoniMT                                INFO HLT_e3_etcut_L1EM3 decisions                      54        342       0         0         0         
+TrigSignatureMoniMT                                INFO HLT_e3_etcut_L1EM3 decisions                      54        343       0         0         0         
 TrigSignatureMoniMT                                INFO HLT_e5_etcut_L1EM3            20        20        17        16        0         0         0         16        
-TrigSignatureMoniMT                                INFO HLT_e5_etcut_L1EM3 decisions                      50        329       0         0         0         
+TrigSignatureMoniMT                                INFO HLT_e5_etcut_L1EM3 decisions                      50        330       0         0         0         
 TrigSignatureMoniMT                                INFO HLT_e7_etcut_L1EM3            20        20        15        14        0         0         0         14        
-TrigSignatureMoniMT                                INFO HLT_e7_etcut_L1EM3 decisions                      36        264       0         0         0         
+TrigSignatureMoniMT                                INFO HLT_e7_etcut_L1EM3 decisions                      36        265       0         0         0         
 TrigSignatureMoniMT                                INFO HLT_g5_etcut_L1EM3            20        20        17        17        0         0         0         17        
 TrigSignatureMoniMT                                INFO HLT_g5_etcut_L1EM3 decisions                      50        50        0         0         0         
 TrigSignatureMoniMT                                INFO HLT_j0_vbenfSEP30etSEP34mass35SEP50fbet_L1J2020        20        0         0         0         0         0         0         
@@ -45,6 +45,10 @@ TrigSignatureMoniMT                                INFO HLT_mu6fast_L1MU6
 TrigSignatureMoniMT                                INFO HLT_mu6fast_L1MU6 decisions                       3         0         0         0         0         
 TrigSignatureMoniMT                                INFO HLT_mu6noL1_L1MU6             20        20        4         0         0         0         0         0         
 TrigSignatureMoniMT                                INFO HLT_mu6noL1_L1MU6 decisions                       5         0         0         0         0         
+TrigSignatureMoniMT                                INFO HLT_tau0_perf_ptonly_L1TAU12  20        20        6         6         0         0         0         6         
+TrigSignatureMoniMT                                INFO HLT_tau0_perf_ptonly_L1TAU12 decisions                    6         6         0         0         0         
+TrigSignatureMoniMT                                INFO HLT_tau25_medium1_tracktwo_L1TAU12IM20        20        6         6         0         0         0         6         
+TrigSignatureMoniMT                                INFO HLT_tau25_medium1_tracktwo_L1TAU12IM decisions                    6         6         0         0         0         
 TrigSignatureMoniMT                                INFO HLT_xe30_cell_L1XE10          20        20        12        0         0         0         0         12        
 TrigSignatureMoniMT                                INFO HLT_xe30_cell_L1XE10 decisions                    12        0         0         0         0         
 TrigSignatureMoniMT                                INFO HLT_xe30_tcpufit_L1XE10       20        20        3         0         0         0         0         3         
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/LS2_v1.py b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/LS2_v1.py
index 6cf942c9e463280b8d4c0880ac3230e047bfba63..fa4c90950f44c20e498a8ac49bb0727dd41d274c 100644
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/LS2_v1.py
+++ b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/LS2_v1.py
@@ -27,7 +27,7 @@ def setupMenu():
     MultiJetGroup = ['RATE:MultiJet', 'BW:Jet']
     SingleBjetGroup = ['RATE:SingleBJet', 'BW:BJet']
     #MultiBjetGroup = ['RATE:MultiBJet', 'BW:BJet']
-    #SingleTauGroup = ['RATE:SingleTau', 'BW:Tau']
+    SingleTauGroup = ['RATE:SingleTau', 'BW:Tau']
     #MultiTauGroup = ['RATE:MultiTau', 'BW:Tau']
 
     TriggerFlags.Slices_all_setOff()
@@ -92,8 +92,8 @@ def setupMenu():
     ] 
 
     TriggerFlags.TauSlice.signatures = [
-        #ChainProp(name="HLT_tau0_perf_ptonly_L1TAU12", groups=SingleTauGroup),
-        #ChainProp(name="HLT_tau25_medium1_tracktwo_L1TAU12IM", groups=SingleTauGroup),
+        ChainProp(name="HLT_tau0_perf_ptonly_L1TAU12", groups=SingleTauGroup),
+        ChainProp(name="HLT_tau25_medium1_tracktwo_L1TAU12IM", groups=SingleTauGroup),
     ]
     TriggerFlags.BphysicsSlice.signatures = [ ]
     TriggerFlags.CombinedSlice.signatures = []
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Tau/TauRecoSequences.py b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Tau/TauRecoSequences.py
index c60356d8c7111278e2961790aebc99c96bf52cc2..d569d352df363d202221c92dabf7f5183af56eb1 100644
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Tau/TauRecoSequences.py
+++ b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Tau/TauRecoSequences.py
@@ -7,43 +7,47 @@ from ViewAlgs.ViewAlgsConf import EventViewCreatorAlgorithm
 from TrigT2CaloCommon.CaloDef import HLTLCTopoRecoSequence
 from TrigEDMConfig.TriggerEDMRun3 import recordable
 
-def _algoTauRoiUpdater(inputRoIs="EMRoIs"):
+
+
+def _algoTauRoiUpdater(inputRoIs, clusters):
     from TrigTauHypo.TrigTauHypoConf import TrigTauCaloRoiUpdaterMT
-    algo = TrigTauCaloRoiUpdaterMT("CaloRoiUpdater")
-    algo.RoIInputKey  = "TAUCaloRoIs"
+    algo = TrigTauCaloRoiUpdaterMT("TauCaloRoiUpdater")
+    algo.RoIInputKey  = inputRoIs
     algo.RoIOutputKey = "RoiForTau"
+    algo.CaloClustersKey = clusters
     return algo
 
-def _algoTauCaloOnly(inputRoIs="EMRoIs"):
+def _algoTauCaloOnly(inputRoIs, clusters):
     from TrigTauRec.TrigTauRecConfigMT import TrigTauRecMerged_TauCaloOnly
-    roiUpdateAlgo = _algoTauRoiUpdater(inputRoIs)
+    roiUpdateAlgo = _algoTauRoiUpdater(inputRoIs, clusters)
     algo = TrigTauRecMerged_TauCaloOnly()
     algo.RoIInputKey         = inputRoIs
+    algo.clustersKey         = clusters
     algo.L1RoIKey            = roiUpdateAlgo.RoIInputKey
-    algo.clustersKey         = "caloclusters"
     algo.TrigTauRecOutputKey = recordable("HLT_TrigTauRecMerged")
     return algo
 
-def tauCaloRecoSequence(InViewRoIs):
+def tauCaloRecoSequence(InViewRoIs, SeqName):
     # lc sequence
-    (lcTopoInViewSequence, sequenceOut) = HLTLCTopoRecoSequence(InViewRoIs)
-    tauCaloRoiUpdaterAlg = _algoTauRoiUpdater(inputRoIs = InViewRoIs)
-    tauCaloOnlyAlg       = _algoTauCaloOnly(inputRoIs   = InViewRoIs)
-    RecoSequence = parOR( 'tauCaloInViewSequence', [lcTopoInViewSequence,tauCaloRoiUpdaterAlg,tauCaloOnlyAlg] )
+    (lcTopoInViewSequence, lcCaloSequenceOut) = HLTLCTopoRecoSequence(InViewRoIs)
+    tauCaloRoiUpdaterAlg = _algoTauRoiUpdater(inputRoIs = InViewRoIs, clusters = lcCaloSequenceOut)
+    tauCaloOnlyAlg       = _algoTauCaloOnly(inputRoIs   = InViewRoIs, clusters = lcCaloSequenceOut)
+    RecoSequence = parOR( SeqName, [lcTopoInViewSequence, tauCaloRoiUpdaterAlg, tauCaloOnlyAlg] )
     return (RecoSequence, tauCaloOnlyAlg.TrigTauRecOutputKey)
 
 def tauCaloSequence(ConfigFlags):
     """ Creates L2 Fast Calo sequence for Taus"""
     # EV creator
     InViewRoIs="TAUCaloRoIs"
+    RecoSequenceName="tauCaloInViewSequence"
+
     tauCaloViewsMaker = EventViewCreatorAlgorithm( "tauCaloViewsMaker")
     tauCaloViewsMaker.ViewFallThrough = True
     tauCaloViewsMaker.RoIsLink = "initialRoI"
     tauCaloViewsMaker.InViewRoIs = InViewRoIs
     tauCaloViewsMaker.Views = "TAUCaloViews"
-    tauCaloViewsMaker.ViewNodeName = "tauCaloInViewSequence"
-
-    (tauCaloInViewSequence, sequenceOut) = tauCaloRecoSequence(InViewRoIs)
+    tauCaloViewsMaker.ViewNodeName = RecoSequenceName
+    (tauCaloInViewSequence, sequenceOut) = tauCaloRecoSequence(InViewRoIs, RecoSequenceName)
 
     tauCaloSequence = seqAND("tauCaloSequence", [tauCaloViewsMaker, tauCaloInViewSequence ])
     return (tauCaloSequence, tauCaloViewsMaker, sequenceOut)