diff --git a/src/client/main.cr b/src/client/main.cr
index f0bcf59..b5c9496 100644
--- a/src/client/main.cr
+++ b/src/client/main.cr
@@ -29,6 +29,7 @@ class Actions
 		# Maintenance.
 		@the_call["admin-maintenance"] = ->admin_maintenance
 		@the_call["admin-generate-zonefile"] = ->admin_generate_zonefile
+		@the_call["admin-migration-script"] = ->admin_migration_script
 		@the_call["admin-generate-all-zonefiles"] = ->admin_generate_all_zonefiles
 
 		# Domain operations.
@@ -86,6 +87,26 @@ class Actions
 		end
 	end
 
+	# Migration script.
+	#
+	# Usage: dnsmanager-client admin migration-script user-db.txt
+	#
+	# user-db.txt should be formated as: login <TAB> domain1 <TAB> domain2 <TAB> domain3 (etc.)
+	def admin_migration_script
+		filename = Context.args.not_nil!.[0]
+		File.each_line(filename) do |line|
+			data = line.split "\t"
+			login = data.shift
+			begin
+				Baguette::Log.info "migrating login #{login}, domains: #{data.join(',')}"
+				# TODO
+				#pp! @dnsmanagerd.migration
+			rescue e
+				puts "error for generate_zonefile: #{e.message}"
+			end
+		end
+	end
+
 	def admin_generate_all_zonefiles
 		pp! @dnsmanagerd.generate_all_zonefiles
 	rescue e
diff --git a/src/client/parser.cr b/src/client/parser.cr
index 31f8df5..5a8953f 100644
--- a/src/client/parser.cr
+++ b/src/client/parser.cr
@@ -116,6 +116,13 @@ def parsing_cli(authd_config : Baguette::Configuration::Auth)
 				unrecognized_args_to_context_args.call parser, 0, nil
 			end
 
+			# Migration script.
+			parser.on("migration-script", "Migrate domains from dnsmanager v1.") do
+				Baguette::Log.info "migration script, provide domains to users."
+				Context.command = "admin-migration-script"
+				parser.banner = "COMMAND: admin migration-script user-db.txt"
+				unrecognized_args_to_context_args.call parser, 1, nil
+			end
 		end
 
 		# User section.