MOSS，自定义用户管理（拓展membership)后，无法登陆。

<connectionStrings>

<!-- Trusted_Connection=True -->

<add name="AspNetSqlProvider" connectionString="Data Source=(local);Initial Catalog=aspnetdb;User ID=sa;Password=pass_word2005" providerName="System.Data.SqlClient"/>

</connectionStrings>

<!--Membership Provider -->

<membership defaultProvider="AspNetSqlMembershipProvider">

<providers>

<remove name="AspNetSqlMembershipProvider" />

<add connectionStringName="AspNetSqlProvider"

passwordAttemptWindow="10"

enablePasswordRetrieval="false"

enablePasswordReset="true"

requiresQuestionAndAnswer="true"

applicationName="/"

requiresUniqueEmail="false"

passwordFormat="Hashed"

description="Stores and retrieves membership data from the Microsoft SQL Server database"

name="AspNetSqlMembershipProvider"

type="System.Web.Security.SqlMembershipProvider" />

</providers>

</membership>

<!--Role Provider-->

<roleManager enabled="true" defaultProvider="AspNetSqlRoleProvider">

<providers>

<remove name="AspNetSqlRoleProvider" />

<add connectionStringName="AspNetSqlProvider"

applicationName="/"

description="Stores and retrieves roles data from the local Microsoft SQL Server database"

name="AspNetSqlRoleProvider"

type="System.Web.Security.SqlRoleProvider" />

</providers>

</roleManager>

另外参考：/KB/sharepoint/moss_enableforms.aspx