Microsoft Office Communications Server 2007 R2 Group Chat Server must be installed on a computer where Internet Information Services (IIS) is configured to support anonymous access to the Web site and uses an account that has read/write permissions on the file repository folder specified during installation. The following procedure describes how to correctly configure the IIS settings.

For details about configuring the Secure Sockets Layer (SSL) certificates, see Configure the Web Components Server IIS Certificate.

To configure the Web site settings in IIS

  1. Open Internet Information Services (IIS) Manager snap-in: Click Start, point to All Programs, point to Administrative Tools, and then click Internet Information Services (IIS) Manager.

  2. In the console tree, expand the local computer, expand the Web Sitesfolder, right-click the application for the Web site (MGCWebService), and then click Properties.

  3. On the Directory Securitytab, under Authentication and Access Control, click Edit.

  4. In the Authentication Methodsdialog box, verify that the Enable Anonymous Accesscheck box is selected.

  5. In the User Nameand Passwordboxes, specify the credentials for an account that has read/write permissions on the file repository folder.

    This must be an account with RTCComponentUniversalServices permissions because the account needs to access the file repository and Message Queuing. You can use the Channel service account for this purpose.