Migrating GroupWise 8.0.3HP3 NW65SP8 to SLES 11SP2/OES11SP1

We are migrating GroupWise 8.0.3 HP3 from a 8-node cluster on NetWare 6.5 SP8 to a 8-node cluster on SLES 11 SP2 /OES 11 SP1, with Novell Cluster Services and NSS
We have followed the migration procedures recommended in the manuals and several pages of Novell support.
The migration of the domains is entirely successful. However, after migrating the post office the users can´t access to the post offices.

The post office agent constantly reported the following message:

15:14:54 F43D The database function 14 reported error [8209] on ngwguard.db
15:14:54 F43D C/S Login Windows Net Id=xxx.BCV ::GW Id=xxx ::
15:14:54 F43D The database function 44 reported error [C05D] on user6bi.db

We have followed several actions recommended in the Novell support site, TID, support forums, etc. , but the problem still.

Any help or documentation related to this case, would be welcome.