If an XML pipeline is configured to use schema validation in Microsoft BizTalk Server 2010, it may not validate all XML messages after you install BizTalk Server 2010 Cumulative Update 7 (CU7).
Note This issue also occurs in BizTalk Server 2013 after you apply BizTalk Server 2013 Cumulative Update 2 (CU2).
Note This issue also occurs in BizTalk Server 2013 after you apply BizTalk Server 2013 Cumulative Update 2 (CU2).