See the following KB for setting up LDAP Signing or Sealing: How to set ONTAP to use LDAP Signing or Sealing for CIFS/NFS Q: LDAP Channel Binding value is supposed to be set to the default value of 1 ...See the following KB for setting up LDAP Signing or Sealing: How to set ONTAP to use LDAP Signing or Sealing for CIFS/NFS Q: LDAP Channel Binding value is supposed to be set to the default value of 1 after patch, do we have to make any changes in ONTAP? As long as the value is kept at 1 and not set to 2, then LDAP channel tokens will not be required and ONTAP will continue to communicate with LDAP.