--- orig/Sch59.ldf	2017-10-03 15:53:31.170142465 +1300
+++ Sch59.ldf	2017-10-03 16:17:07.338514781 +1300
@@ -160,23 +160,20 @@
 changetype: ntdsSchemaModify
 replace: isSingleValued
 isSingleValued: TRUE
 -  
 
 dn: CN=ms-DS-Device-Physical-IDs,CN=Schema,CN=Configuration,DC=X
 changetype: ntdsSchemaModify
 replace: omSyntax
 omSyntax: 64
 -  
-
-dn: CN=ms-DS-Device-Physical-IDs,CN=Schema,CN=Configuration,DC=X
-changetype: ntdsSchemaModify
 replace: attributeSyntax
 attributeSyntax: 2.5.5.12
 -  
 
 dn: CN=ms-DS-Device-Physical-IDs,CN=Schema,CN=Configuration,DC=X
 changetype: ntdsSchemaModify
 replace: rangeUpper
 rangeUpper: 1024
 -