<h2>Clustered LDAP server may not return all members for groups with large number of members.</h2><br/><div style="overflow-x:auto"><article><div ><h3 >Description</h3><section><h1 style="box-sizing: border-box; font-size: 21px; margin: 18px 0px -5px; font-family: SourceSansPro, 'Helvetica Neue', Arial; font-weight: normal; line-height: 1.1; color: #d1232b;"> <span style="font-size: 16.0pt; font-family: 'Helvetica Neue', sans-serif; color: #d1232b;">Symptoms</span></h1> <div style="margin: 2.4pt 0in; text-align: center; font-size: 12pt; font-family: Calibri, sans-serif;" align="center"><hr style="color: #aaaaaa;" /></div> <p style="margin: 13.5pt 0in 0.0001pt; background: white; font-size: 12pt; font-family: Calibri, sans-serif;"><span style="font-size: 10pt; font-family: 'Helvetica Neue', sans-serif; color: #000000; background-color: #ffffff;">Group synchronization may not bring all group members for groups with a very large number of members.</span></p> <p style="margin: 13.5pt 0in 0.0001pt; background: white; font-size: 12pt; font-family: Calibri, sans-serif;"> </p> <p style="margin: 13.5pt 0in 0.0001pt; background: white; font-size: 12pt; font-family: Calibri, sans-serif;"><span style="font-size: 16.0pt; font-family: 'Helvetica Neue', sans-serif; color: #d1232b;">Release</span></p> <div style="margin: 2.4pt 0in; text-align: center; font-size: 12pt; font-family: Calibri, sans-serif;" align="center"><hr style="color: #aaaaaa;" /></div> <p style="margin: 13.5pt 0in 0.0001pt; background: white; font-size: 12pt; font-family: Calibri, sans-serif;"><span style="font-size: 10pt; font-family: 'Helvetica Neue', sans-serif; color: #000000;">This issue is not release dependent.<br /></span></p> <p style="margin: 13.5pt 0in 0.0001pt; background: white; font-size: 12pt; font-family: Calibri, sans-serif;"> </p> <p style="margin: 13.5pt 0in 0.0001pt; background: white; font-size: 12pt; font-family: Calibri, sans-serif;"><span style="font-size: 16.0pt; font-family: 'Helvetica Neue', sans-serif; color: #d1232b;">Environment</span></p> <div style="margin: 2.4pt 0in; text-align: center; font-size: 12pt; font-family: Calibri, sans-serif;" align="center"><hr style="color: #aaaaaa;" /></div> <p style="margin: 4.8pt 0in 6pt; line-height: 18pt; background: white; font-size: 12pt; font-family: Calibri, sans-serif;"><span style="font-size: 10.0pt; font-family: 'Helvetica Neue', sans-serif; color: #303a46;">ServiceNow instance is connected to an AD LDAP server cluster front ended by a load balancer. In the ServiceNow instance, the LDAP record URL points to the Load balancer.</span></p> <p style="margin: 4.8pt 0in 6pt; line-height: 18pt; background: white; font-size: 12pt; font-family: Calibri, sans-serif;"> </p> <p style="margin: 13.5pt 0in 0.0001pt; background: white; font-size: 12pt; font-family: Calibri, sans-serif;"><span style="font-size: 16.0pt; font-family: 'Helvetica Neue', sans-serif; color: #d1232b;">Cause</span></p> <div style="margin: 2.4pt 0in; text-align: center; font-size: 12pt; font-family: Calibri, sans-serif;" align="center"><hr style="color: #aaaaaa;" /></div> <p style="margin: 4.8pt 0in 6pt; line-height: 18pt; background: white; font-size: 12pt; font-family: Calibri, sans-serif;"><span style="font-size: 10.0pt; font-family: 'Helvetica Neue', sans-serif; color: #303a46;">Load balancer does not have set 'Sticky session' set for connections.</span></p> <p style="margin: 4.8pt 0in 6pt; line-height: 18pt; background: white; font-size: 12pt; font-family: Calibri, sans-serif;"><span style="font-size: 10.0pt; font-family: 'Helvetica Neue', sans-serif; color: #303a46;">When a large number of members is pulled for a group, the data is retrieved using paging mechanism. If the load balancer does not keep a sticky session, the connection may be routed to a different LDAP node during paging. As consequence inconsistencies like duplicate members and some missing members, were observed in data returned from LDAP.</span></p> <p style="margin: 4.8pt 0in 6pt; line-height: 18pt; background: white; font-size: 12pt; font-family: Calibri, sans-serif;"> </p> <p style="margin: 13.5pt 0in 0.0001pt; background: white; font-size: 12pt; font-family: Calibri, sans-serif;"><span style="font-size: 16.0pt; font-family: 'Helvetica Neue', sans-serif; color: #d1232b;">Resolution</span></p> <div style="margin: 2.4pt 0in; text-align: center; font-size: 12pt; font-family: Calibri, sans-serif;" align="center"><hr style="color: #aaaaaa;" /></div> <p style="margin: 4.8pt 0in 6pt; line-height: 18pt; background: white; font-size: 12pt; font-family: Calibri, sans-serif;"><span style="font-size: 10.0pt; font-family: 'Helvetica Neue', sans-serif; color: #303a46;">When a load balancer is used in front of a group of LDAP servers, setup the load balancer to use sticky session for the LDAP connections. </span></p> <p style="margin: 13.5pt 0in 0.0001pt; background: white; font-size: 12pt; font-family: Calibri, sans-serif;"> </p> <p style="box-sizing: border-box; margin: 0.4em 0px 0.5em; line-height: 1.5em; color: #303a46; font-family: SourceSansPro, 'Helvetica Neue', Arial; font-size: 13px;"> </p></section></div></article></div>