Hello, i have successfully implemented uip 2.0 with a asp.net 1.1 application. while trying to migrate to asp.net with whidbey the compiler gives an error in the configuration (web.config). Does anybody know whats wrong?! The configuration is right an should work. Thanks for any help! Configuration Error Description: An error occurred during the processing of a configuration file required to service this request. Please review the specific error details below and modify your configuration file appropriately. Parser Error Message: Exception in configuration section handler web.config Wildcard '##any' allows element 'statePersistenceProvider', and causes the content model to become ambiguous. A content model must be formed such that during validation of an element information item sequence, the particle contained directly, indirectly or implicitly therein with which to attempt to validate each item in the sequence in turn can be uniquely determined without examining the content or attributes of that item, and without any information about the items in the remainder of the sequence.. Source Error: Line 5: Line 6: Line 7: Line 8: Line 9: Source File: web.config Line: 7 Version Information: Microsoft .NET Framework Version:2.0.40607.16; ASP.NET Version:2.0.40607.16