Server installation was fine.
However, the client install on a Vista machine fails with an obscure error "Cannot install SQL Express Server or the current exisiting one does not work properly".
However, a clean SQL Express setup completes without problems.
Frequent uninstalls/re-installs did not help...
The setup log is not very helpful either:
12-4-2007 17:34:56: InstallSQLExpressServer: Enter 12-4-2007 17:36:40: ExecuteSQLScriptEx() Enter 12-4-2007 17:36:50: ExecuteSQLScriptEx: Execution result 0 (Hidden). 12-4-2007 17:36:50: ExecuteSQLScriptEx() Enter 12-4-2007 17:36:59: ExecuteSQLScriptEx: Execution result 0 (Hidden). 12-4-2007 17:36:59: ExecuteSQLScriptEx() Enter 12-4-2007 17:37:11: ExecuteSQLScriptEx: Execution result 0 (Hidden). 12-4-2007 17:37:45: InstallSQLExpressServer: installation of SQL Express failed 12-4-2007 17:37:45: InstallSQLExpressServer: Leave 12-4-2007 17:37:53: OnAbort() Enter. 12-4-2007 17:37:53: OnAbort: Un-register MaConfig.dll if needed. 12-4-2007 17:37:54: ========== Maximizer CRM 10 Setup Log File - Abort ========== 12-4-2007 17:37:54: ========== Maximizer CRM 10 Setup Log File - END ==========