Okay for your convience I am posting how you can set up WCF.And to create Repository folders you may see install guide DLP 9.2 page 21.
There are two steps:
Add a user in Microsoft SQL Server
1Open SQL Server Management Studio (Express) and connect to the EPOSERVER instance.
2 In the Object Explorer, right-click the database name and select Properties.
3 On the Security page, select either Window Authentication mode or SQL Server and Windows Authentication mode,
according to which type of authentication you want to use. Click OK.
4 Navigate to Security | Logins. Right-click in the Logins page, and select New Login.
5 On the General page of the Login Properties dialog box, select SQL Server authentication or Windows
authentication and type a logon name. Set the default database to ePO4_SERVER. Enforcing a password
policy is optional.
6 On the General page of the Login Properties dialog box, select SQL Server authentication and type the
logon name ndlpuser and a password. Set the default database to ePO4_SERVER and the default
language to English. Click OK.
7 On the Server Roles page, select the sysadmin checkbox.
8 On the User Mapping page of the Login Properties dialog box, in the Users mapped to this login section,
select ePO4_SERVER and verify that the new logon user is listed in the User column and that public is
checked in the database role membership section. Click OK.
9 Under User Mapping, define the database role memberships by selecting the db_owner and public
10 Navigate to Databases | ePO4_SERVER | Security | Users. Double-click the logon user name.
11 On the Securables page, click Add. Select Specific objects, and click OK.
12 In the Select Objects dialog box, click Object Types and select Databases. Click OK.
13 Click Browse. Select [ePO4_SERVER] and click OK twice.
14 If you do not see all six effective permissions, browse the Explicit Permissions list to locate and Grant
them. Click OK. Repeat steps 7-11 to verify the Effective Permissions.
15 Click OK.
Run the McAfee DLP WCF installer
Browse to and run the McAfee DLP WCFServiceInstaller.msi installer.
Verify that the McAfee DLP Windows Communication Foundation service installer version matches
the McAfee DLP Endpoint software version you are installing.
2 In step 4 of the installation wizard (WCF Service Settings), do the following:
a Use the default WCF Server Port value. If you must change the server port, consult your McAfee
representative for instructions.
b We recommend setting up a group or groups in Windows Active Directory with the names of
users authorized to log on to the database. You must change the default Web Access Authorized
Groups entry from Everyone to a group or user with authorized access, as described in WCF
c If you are using the confidential data redaction feature, select Obfuscate Sensitive Data in RSS Feed.
3 In step 5 of the installation wizard (Microsoft SQL Database) do the following:
a Review the defaults for Database Server and Database Name. Type other values if necessary.
b Select Windows Authentication or SQL Authentication and fill in the associated fields.
4 Click Finish to complete the installation.