diff --git a/Alignment/MillePedeAlignmentAlgorithm/test/BuildFile.xml b/Alignment/MillePedeAlignmentAlgorithm/test/BuildFile.xml
index 9a1f8a9757530..7a70030f4732c 100644
--- a/Alignment/MillePedeAlignmentAlgorithm/test/BuildFile.xml
+++ b/Alignment/MillePedeAlignmentAlgorithm/test/BuildFile.xml
@@ -11,6 +11,9 @@
   <use name="millepede"/>
 </test>
 <test name="testPedeCampaign" command="test_pede.sh"/>
+<test name="testPedeConversion" command="test_pedeConversion.sh">
+  <flags PRE_TEST="testPedeCampaign"/>
+</test>
 <test name="testPayloadSanity" command="test_payload_sanity.sh">
   <flags PRE_TEST="testPedeCampaign"/>
 </test>
diff --git a/Alignment/MillePedeAlignmentAlgorithm/test/align_params_cff.py b/Alignment/MillePedeAlignmentAlgorithm/test/align_params_cff.py
new file mode 100644
index 0000000000000..933aaa7bdcc2a
--- /dev/null
+++ b/Alignment/MillePedeAlignmentAlgorithm/test/align_params_cff.py
@@ -0,0 +1,12 @@
+import FWCore.ParameterSet.Config as cms
+
+_alignParams = cms.PSet(
+    alignParams = cms.vstring(
+        "TrackerP1PXBHalfBarrel,111111",
+        "TrackerP1PXECHalfCylinder,111111",
+        "TrackerTIBHalfBarrel,111111",
+        "TrackerTOBHalfBarrel,rrrrrr",
+        "TrackerTIDEndcap,111111",
+        "TrackerTECEndcap,111111",
+    )
+)
diff --git a/Alignment/MillePedeAlignmentAlgorithm/test/convertMPresToDB_cfg.py b/Alignment/MillePedeAlignmentAlgorithm/test/convertMPresToDB_cfg.py
new file mode 100644
index 0000000000000..169ca036aa21a
--- /dev/null
+++ b/Alignment/MillePedeAlignmentAlgorithm/test/convertMPresToDB_cfg.py
@@ -0,0 +1,111 @@
+import FWCore.ParameterSet.Config as cms
+
+from Configuration.Eras.Era_Run3_cff import Run3
+process = cms.Process("Alignment", Run3)
+
+process.options = cms.untracked.PSet(
+    Rethrow = cms.untracked.vstring("ProductNotFound") # do not accept this exception
+    )
+
+######################################################
+# initialize  MessageLogger
+######################################################
+process.load("FWCore.MessageService.MessageLogger_cfi")
+process.MessageLogger.files.alignment = cms.untracked.PSet(
+    DEBUG = cms.untracked.PSet(
+        limit = cms.untracked.int32(-1)
+        ),
+    INFO = cms.untracked.PSet(
+        limit = cms.untracked.int32(5),
+        reportEvery = cms.untracked.int32(5)
+        ),
+    WARNING = cms.untracked.PSet(
+        limit = cms.untracked.int32(10)
+        ),
+    ERROR = cms.untracked.PSet(
+        limit = cms.untracked.int32(-1)
+        ),
+    Alignment = cms.untracked.PSet(
+        limit = cms.untracked.int32(-1),
+        reportEvery = cms.untracked.int32(1)
+        ),
+    enableStatistics = cms.untracked.bool(True)
+    )
+
+######################################################
+# Design GT (in order to fetch the design geometry)
+######################################################
+process.load("Configuration.StandardSequences.FrontierConditions_GlobalTag_cff")
+from Configuration.AlCa.GlobalTag import GlobalTag
+process.GlobalTag = GlobalTag(process.GlobalTag, 'auto:phase1_2024_design', '')  # take your favourite
+
+######################################################
+# Starting alignment of the campaign
+######################################################
+from CondCore.CondDB.CondDB_cfi import *
+CondDBConnection = CondDB.clone( connect = cms.string( 'sqlite_file:alignment_input.db' ) )
+process.trackerAlignment = cms.ESSource("PoolDBESSource",
+                                        CondDBConnection,
+                                        toGet = cms.VPSet(cms.PSet(record = cms.string("TrackerAlignmentRcd"),
+                                                                   tag = cms.string("TrackerAlignment_PCL_byRun_v2_express_348155")
+                                                                   )
+                                        ))
+
+process.es_prefer_trackerAlignment = cms.ESPrefer("PoolDBESSource", "trackerAlignment")
+
+######################################################
+# Alignment producer
+######################################################
+process.load("Configuration.Geometry.GeometryRecoDB_cff")
+process.load("Alignment.CommonAlignmentProducer.AlignmentProducer_cff")
+
+######################################################
+#
+# !!! This has to match the alignable selection
+#          of the pede configuration !!!
+#
+######################################################
+from align_params_cff import _alignParams
+process.AlignmentProducer.ParameterBuilder.Selector = _alignParams
+
+######################################################
+# Alignment Producer options
+######################################################
+process.AlignmentProducer.doMisalignmentScenario = False #True
+process.AlignmentProducer.applyDbAlignment = True # either globalTag or trackerAlignment
+
+######################################################
+# assign by reference (i.e. could change MillePedeAlignmentAlgorithm as well):
+######################################################
+process.AlignmentProducer.algoConfig = process.MillePedeAlignmentAlgorithm
+process.AlignmentProducer.algoConfig.mode = 'pedeRead'     # reads millepede.res
+process.AlignmentProducer.algoConfig.pedeReader.readFile = 'millepede.res'
+process.AlignmentProducer.algoConfig.treeFile = 'my_treeFile.root'
+
+######################################################
+# Source
+######################################################
+process.source = cms.Source("EmptySource",
+                            firstRun = cms.untracked.uint32(1) # choose your run!
+                            )
+process.maxEvents = cms.untracked.PSet(input = cms.untracked.int32(1) )
+
+process.dump = cms.EDAnalyzer("EventContentAnalyzer")
+process.p = cms.Path(process.dump)
+
+# should not be needed, but is:
+# otherwise AlignmentProducer does not  call relevant algorithm part
+process.AlignmentProducer.saveToDB = True
+
+######################################################
+# Output alignment payload from reading file
+######################################################
+CondDBConnectionOut = CondDB.clone( connect = cms.string( 'sqlite_file:convertedFromResFile.db' ) )
+process.PoolDBOutputService = cms.Service("PoolDBOutputService",
+                                          CondDBConnectionOut,
+                                          timetype = cms.untracked.string('runnumber'),
+                                          toPut = cms.VPSet(cms.PSet(record = cms.string('TrackerAlignmentRcd'),
+                                                                     tag = cms.string('Alignments')
+                                                                     )
+                                                            )
+                                          )
diff --git a/Alignment/MillePedeAlignmentAlgorithm/test/test_pede.py b/Alignment/MillePedeAlignmentAlgorithm/test/test_pede.py
index aa516643cd082..4434441607632 100644
--- a/Alignment/MillePedeAlignmentAlgorithm/test/test_pede.py
+++ b/Alignment/MillePedeAlignmentAlgorithm/test/test_pede.py
@@ -1,4 +1,5 @@
 import FWCore.ParameterSet.Config as cms
+
 process = cms.Process("Alignment")
 
 ################################################################################
@@ -36,7 +37,6 @@
 import Alignment.MillePedeAlignmentAlgorithm.alignmentsetup.GeneralSetup as generalSetup
 generalSetup.setup(process, setupGlobaltag, setupCosmicsZeroTesla)
 
-
 ################################################################################
 # setup alignment producer
 # ------------------------------------------------------------------------------
@@ -50,7 +50,6 @@
     primaryWidth = setupPrimaryWidth,
     cosmicsZeroTesla = setupCosmicsZeroTesla)
 
-
 ################################################################################
 # Overwrite some conditions in global tag
 # ------------------------------------------------------------------------------
@@ -69,16 +68,8 @@
     ]
 #
 # # Define the high-level structure alignables
-process.AlignmentProducer.ParameterBuilder.SelectorRigid = cms.PSet(
-    alignParams = cms.vstring(
-        "TrackerP1PXBHalfBarrel,111111",
-        "TrackerP1PXECHalfCylinder,111111",
-        "TrackerTIBHalfBarrel,111111",
-        "TrackerTOBHalfBarrel,rrrrrr",
-        "TrackerTIDEndcap,111111",
-        "TrackerTECEndcap,111111",
-        )
-    )
+from align_params_cff import _alignParams
+process.AlignmentProducer.ParameterBuilder.SelectorRigid = _alignParams
 
 #########################
 ## insert Pedesettings ##
diff --git a/Alignment/MillePedeAlignmentAlgorithm/test/test_pede.sh b/Alignment/MillePedeAlignmentAlgorithm/test/test_pede.sh
index 339ce9792e472..2c85bb0e0accb 100755
--- a/Alignment/MillePedeAlignmentAlgorithm/test/test_pede.sh
+++ b/Alignment/MillePedeAlignmentAlgorithm/test/test_pede.sh
@@ -7,7 +7,7 @@ clean_up(){
     echo -e "\nCleaning the local test area"
     rm -fr milleBinary00* 
     rm -fr pedeSteer* 
-    rm -fr millepede.*
+    #rm -fr millepede.*
     rm -fr *.root
     rm -fr *.log
     rm -fr *.dat
diff --git a/Alignment/MillePedeAlignmentAlgorithm/test/test_pedeConversion.sh b/Alignment/MillePedeAlignmentAlgorithm/test/test_pedeConversion.sh
new file mode 100755
index 0000000000000..021b67fcd8026
--- /dev/null
+++ b/Alignment/MillePedeAlignmentAlgorithm/test/test_pedeConversion.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+function die { echo $1: status $2; exit $2; }
+
+LOCAL_TEST_DIR=${SCRAM_TEST_PATH}
+
+echo "============== testing conversion to DB file from millepede.res"
+(cmsRun ${LOCAL_TEST_DIR}/convertMPresToDB_cfg.py) || die 'failed running convertMPresToDB_cfg.py' $?
+
+echo -e "Content of the current directory is: "`ls .`
+
+INPUTFILE=convertedFromResFile.db
+
+echo -e "\n\n============== testing converted file corresponds to input"
+(cmsRun ${SCRAM_TEST_PATH}/AlignmentRcdChecker_cfg.py inputSqliteFile=${INPUTFILE}) || die 'failed running AlignmentRcdChecker' $?