NFSAAS-27975: ldap query timeout

Author: b-ahibbard

articles/azure-netapp-files/create-active-directory-connections.md

@@ -72,6 +72,12 @@ Several features of Azure NetApp Files require that you have an Active Directory
 
 * LDAP queries take effect only in the domain specified in the Active Directory connections (the **AD DNS Domain Name** field). This behavior applies to NFS, SMB, and dual-protocol volumes.
 
+* <a name="ldap-query-timeouts"></a> LDAP query timeouts 
+
+    By default, LDAP queries time out if they cannot be completed in a timely fashion. If an LDAP query fails due to a timeout, the user and/or group lookup will fail and access to the Azure NetApp Files volume may be denied, depending on the permission settings of the volume.
+    
+    Query timeouts can occur in large LDAP environments with many user and group objects, over slow WAN connections, and if an LDAP server is over-utilized with requests. Azure NetApp Files timeout setting for LDAP queries is set to 10 seconds. Consider leveraging the user and group DN features on the Active Directory Connection for the LDAP server to filter searches if you are experiencing LDAP query timeout issues.
+
 ## Create an Active Directory connection
 
 1. From your NetApp account, select **Active Directory connections**, then select **Join**.  

articles/azure-netapp-files/lightweight-directory-access-protocol.md

@@ -118,7 +118,9 @@ The following section discusses the basics of LDAP as it pertains to Azure NetAp
     contoso.com      internet address = y.y.y.y
     ```
 * LDAP servers can also be used to perform custom name mapping for users. For more information, see [Custom name mapping using LDAP](#custom-name-mapping-using-ldap). 
+* LDAP query timeouts 
 
+    By default, LDAP queries time out if they cannot be completed in a timely fashion. If an LDAP query fails due to a timeout, the user and/or group lookup will fail and access to the Azure NetApp Files volume may be denied, depending on the permission settings of the volume. Refer to [Create and manage Active Directory connections](create-active-directory-connections.md#ldap-query-timeouts) to understand Azure NetApp Files LDAP query timeout settings.
 
 ## Name mapping types