diff --git a/gen/kerberos_renewal_principals b/gen/kerberos_renewal_principals
index dd417b4b..b92c392b 100755
--- a/gen/kerberos_renewal_principals
+++ b/gen/kerberos_renewal_principals
@@ -8,35 +8,51 @@ use File::Basename;
 
 local $::SERVICE_NAME = basename($0);
 local $::PROTOCOL_VERSION = "3.0.0";
-my $SCRIPT_VERSION = "3.0.0";
+my $SCRIPT_VERSION = "3.0.1";
 
 perunServicesInit::init;
 my $data = perunServicesInit::getHashedHierarchicalData;
 my $DIRECTORY = perunServicesInit::getDirectory;
 
+our $A_PRINCIPALS;                    				*A_PRINCIPALS =                       		 		\'urn:perun:user:attribute-def:def:kerberosLogins';
+our $A_MEMBER_STATUS;                 				*A_MEMBER_STATUS =                      			\'urn:perun:member:attribute-def:core:status';
+our $A_RESOURCE_KERBEROS_PRINCIPALS_FILE_SUFFIX;	*A_RESOURCE_KERBEROS_PRINCIPALS_FILE_SUFFIX =		\'urn:perun:resource:attribute-def:def:kerberosPrincipalsFileSuffix';
 
-our $A_PRINCIPALS;                    *A_PRINCIPALS =                       \'urn:perun:user:attribute-def:def:kerberosLogins';
-our $A_MEMBER_STATUS;                 *A_MEMBER_STATUS =                      \'urn:perun:member:attribute-def:core:status';
+my $principalsDirectory = "$DIRECTORY/kerberos_renewal_principals";
+mkdir $principalsDirectory or die "kerberos_renewal_principals directory can't be created: $!";
 
-my $service_file_name = "$DIRECTORY/$::SERVICE_NAME";
+my $fileStructureWithData;
 
-my %userPrincipals;
 foreach my $resourceId ($data->getResourceIds()) {
+	my $fileSuffix = $data->getResourceAttributeValue( resource => $resourceId, attrName => $A_RESOURCE_KERBEROS_PRINCIPALS_FILE_SUFFIX );
+	my $fileName = $fileSuffix ? "kerberos_renewal_principals_${fileSuffix}" : "kerberos_renewal_principals";
+	my %userPrincipals;
 	foreach my $memberId ($data->getMemberIdsForResource( resource => $resourceId )) {
 		next if $data->getMemberAttributeValue( member => $memberId, attrName => $A_MEMBER_STATUS ) ne 'VALID';
 		for my $principal (@{$data->getUserAttributeValue( member => $memberId, attrName => $A_PRINCIPALS )}) {
 			$userPrincipals{$principal} = 1;
 		}
 	}
+
+	if (defined $fileStructureWithData->{$fileName}) {
+		foreach my $key (keys %userPrincipals) {
+			$fileStructureWithData->{$fileName}->{$key} = 1;
+		}
+	} else {
+		$fileStructureWithData->{$fileName} = \%userPrincipals;
+	}
 }
 
-####### output file ######################
-open SERVICE_FILE,">$service_file_name" or die "Cannot open $service_file_name: $! \n";
+foreach my $file (sort keys %$fileStructureWithData) {
+	my $principals = $fileStructureWithData->{$file};
+	my $service_file_name = "$principalsDirectory/$file";
+	open SERVICE_FILE,">$service_file_name" or die "Cannot open $service_file_name: $! \n";
 
-print SERVICE_FILE "target_clients =\n";
-print SERVICE_FILE join("\n", sort keys %userPrincipals), "\n";
-print SERVICE_FILE ";\n";
+	print SERVICE_FILE "target_clients =\n";
+	print SERVICE_FILE join("\n", sort keys %$principals), "\n";
+	print SERVICE_FILE ";\n";
 
-close(SERVICE_FILE);
+	close(SERVICE_FILE);
+}
 
 perunServicesInit::finalize;
diff --git a/slave/process-kerberos-renewal-principals/bin/process-kerberos_renewal_principals.sh b/slave/process-kerberos-renewal-principals/bin/process-kerberos_renewal_principals.sh
index 10c642d1..61139530 100755
--- a/slave/process-kerberos-renewal-principals/bin/process-kerberos_renewal_principals.sh
+++ b/slave/process-kerberos-renewal-principals/bin/process-kerberos_renewal_principals.sh
@@ -1,25 +1,45 @@
 #!/bin/bash
-
 PROTOCOL_VERSION='3.0.0'
 
 function process {
 
 	DST_DIR="/etc/heimdal-kdc/krb525d.d/"
-	DST_FILE="${SERVICE}.conf"
-	FROM_PERUN="${WORK_DIR}/${SERVICE}"
+	FROM_PERUN_DIR="${WORK_DIR}/kerberos_renewal_principals/"
 
 	### Status codes
-	I_CHANGED=(0 "${DST_FILE} updated")
-	E_NOT_CHANGE=(50 "Cannot copy file ${FROM_PERUN} to ${DST_FILE}")
+	I_EVERYTHING_OK=(0 'All files has been updated.')
+	E_FINISHED_WITH_ERRORS=(50 'Slave script finished with errors!')
+
+	ERROR=0
 
 	create_lock
 
-	cp "${FROM_PERUN}" "${DST_DIR}/${DST_FILE}"
+	# Delete all files with 'kerberos_renewal_principals prefix from destination directory
+	if [[ $(find $DST_DIR -mindepth 1 -maxdepth 1 -name "kerberos_renewal_principals*") ]]; then
+		if ! rm $DST_DIR/kerberos_renewal_principals*; then
+        		ERROR=1
+        fi
+	fi
 
-	if [ $? -eq 0 ]; then
-		log_msg I_CHANGED
+	# Copy all files from perun
+	for FROM_PERUN_FILE in "$FROM_PERUN_DIR"/*
+	do
+		# Get name of file
+		local FILE_NAME
+		if ! FILE_NAME=$(basename "$FROM_PERUN_FILE"); then
+			ERROR=1
+			continue
+		fi
+
+		# Copy file to destination dir
+		if ! cp "${FROM_PERUN_FILE}" "${DST_DIR}/${FILE_NAME}.conf"; then
+			ERROR=1
+		fi
+	done
+
+	if [ $ERROR -ne 0 ]; then
+		log_msg E_FINISHED_WITH_ERRORS
 	else
-		log_msg E_NOT_CHANGED
+		log_msg I_EVERYTHING_OK
 	fi
-
 }
diff --git a/slave/process-kerberos-renewal-principals/changelog b/slave/process-kerberos-renewal-principals/changelog
index f2df2fe7..bce7eec2 100644
--- a/slave/process-kerberos-renewal-principals/changelog
+++ b/slave/process-kerberos-renewal-principals/changelog
@@ -1,3 +1,10 @@
+perun-slave-process-kerberos-renewal-principals (3.0.1) stable; urgency=low
+
+  * Handled receive of many files from perun.
+  * Copies them to the destination directory and deletes unnecessary ones.
+
+ -- Sarka Palkovicova <sarka.palkovicova@gmail.com>  Tue, 1 Mar 2022 15:27:00 +0100
+
 perun-slave-process-kerberos-renewal-principals (3.0.0) stable; urgency=low
 
   * added new service kerberos-renewal-principals