Replication Server version 12.1:
Does not replicate extended data such as wide rows or wide columns, without truncating it.
Does not replicate Unicode data.
Does not use SSL when connecting to Adaptive Server, although Replication Server can still replicate data from and to an Adaptive Server that uses SSL.
Does not use an LDAP server to retrieve server information, but instead relies on traditional interfaces files for this information. Replication Server can, however, still replicate data from and to an Adaptive Server that uses an LDAP server for this purpose.
Direct Connect and OpenSwitch do not currently support the following Adaptive Server version 12.5 and later features:
Extended limits, such as wide rows and wide columns
Unicode
SSL
LDAP
