# Configure OmniGroupServer (Claims-Based Authentication)

To retrieve and combine the security groups from SharePoint and a claims provider other than Active Directory, create the following tasks in the OmniGroupServer configuration file.

- A task to retrieve the security groups from the SharePoint repository. This task sends the `SynchronizeGroups` fetch action to the SharePoint connector, according to the schedule that you configure.
- A task to retrieve the security groups from the claims provider.
- A task to combine the information into a single repository in OmniGroupServer. The combine operation must run after the security information has been retrieved.

To retrieve and combine security groups

1. Open the OmniGroupServer configuration file.

2. In the `[Repositories]` section, create three repositories - one for the SharePoint groups, one for groups retrieved from the claims provider, and another to combine the information. For example:

       [Repositories]
       GroupServerDefaultRepositories=Combine
       Number=3
       0=SharePointOnPremise
       1=Claims
       2=Combine

3. In the section that you created to retrieve the SharePoint groups, create a task to extract the information from SharePoint. You can use the following configuration parameters (for a complete list of configuration parameters, refer to the OmniGroupServer Reference):

   `GroupServerJobType` | The type of task that OmniGroupServer must run. To retrieve SharePoint groups, set this parameter to `Connector`. This instructs OmniGroupServer to send the `SynchronizeGroups` fetch action to the connector.
   `ConnectorHost` | The host name or IP address of the machine that hosts the SharePoint connector.
   `ConnectorPort` | The ACI port of the connector.
   `ConnectorTask` | The name of a fetch task in the connector’s configuration file that contains the information and credentials required to connect to the SharePoint repository.

   For example:

       [SharepointOnPremise]
       GroupServerJobType=Connector
       ConnectorHost=localhost
       ConnectorPort=7024
       ConnectorTask=SharePointOnPremise

4. In the section that you created to retrieve the users and groups from the claims provider, configure a task to extract the information. The following example shows how you might extract information from an ASP.NET claims provider using ODBC. For a complete list of configuration parameters that you can use, refer to the OmniGroupServer Reference.

       [Claims]
       GroupServerLibrary=ogs_dbodbc
       ConnectionString=DSN=SP2013FBA;UID=user;PWD=password;Database=DatabaseName
       ExecuteSection0=Database_GetUsers
       ExecuteSection1=Database_GetGroups
       ExecuteSection2=Database_GetGroupMembers

       GroupServerOpApplyTo0=GROUP
       GroupServerOp0=PREPEND
       GroupServerOpParam0=SQL_ROLE_PROVIDER:

       GroupServerOpApplyTo1=USER
       GroupServerOp1=PREPEND
       GroupServerOpParam1=SQL_MEMBERSHIP_PROVIDER:

       [Database_GetUsers]
       SQLStatement=SELECT DISTINCT UserName FROM dbo.aspnet_Users
       AddType=USER
       UserColumn=UserName

       [Database_GetGroups]
       SQLStatement=SELECT DISTINCT RoleName FROM dbo.aspnet_Roles
       AddType=GROUP
       GroupColumn=RoleName

       [Database_GetGroupMembers]
       SQLStatement=SELECT U.UserName,R.RoleName FROM FBA_USER_DB.dbo.aspnet_Users U
           JOIN FBA_USER_DB.dbo.aspnet_UsersInRoles UIR ON U.UserId = UIR.UserId
           JOIN FBA_USER_DB.dbo.aspnet_Roles R ON R.RoleId = UIR.RoleId
       AddType=USERGROUP
       UserColumn=UserName
       GroupColumn=RoleName

   NOTE: The value of the `SQLStatement` parameter must be on one line.

5. In the section that you created for combining the security groups, configure a task to combine the group information. You can use the following configuration parameters (for a complete list of configuration parameters, refer to the OmniGroupServer Reference):

   `GroupServerJobType` | The type of task that OmniGroupServer must run. Set this parameter to `Combine`.
   `GroupServerSections` | The names of the repositories in the configuration file that you want to merge.
   `GroupServerStartDelaySecs` | The number of seconds to wait before starting the task. It is important to set this parameter so that the combine operation does not start until the security groups have been retrieved. This ensures that the combine operation uses the latest information. The delay that you specify only has to ensure that the other jobs start first.

   For example:

       [Combine]
       GroupServerJobType=Combine
       GroupServerSections=SharepointOnPremise,Claims
       GroupServerStartDelaySecs=10

6. (Optional) You can set further parameters to define the schedule for the tasks. To run all of the tasks on the same schedule, set these parameters in the `[Default]` section. To run a task on a different schedule, set these parameters in the task section.

   `GroupServerStartTime` | The time when a task starts.
   `GroupServerRepeatSecs` | The number of seconds that should elapse before the Group Server repeats a task.

   For example:

       [Default]
       GroupServerStartTime=12:00
       GroupServerRepeatSecs=3600

7. Save and close the OmniGroupServer configuration file.

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