The \wwwroot directory, located under C:\InetPub, is created when you install the WWW service from IIS. Connection Point Services Setup creates the \Phone Book Service directory under \wwwroot. The following is a list of subdirectories created by Connection Point Services Setup as well as the files copied to them.
| Subdirectory | File name | Description |
| \Bin | Not applicable | Directory containing the actual server program |
| \Bin | PBMon.dll | Program that provides Windows NT Performance Monitor counters for the Phone Book Service |
| \Bin | PBServer.dll | Internet Information Server (IIS) extension; the actual Phone Book Services program |
| \Bin | PBSvrmsg.dll | Program that writes error messages from the server to the Windows NT application Event Log |
| \Data | not applicable | Directory containing the database and subdirectories containing .cab files |
| \Data\Database | PBServer.mdb | Database that indexes phone book information and is queried by the server when Connection Manager requests a phone book |
The data posted to the server from the administration tool is located under the \Data directory outlined in the previous table. The following is a list of subdirectories and files created by posting the database and .cab files to the server.
| Subdirectory | File name | Description |
| \Database | Not applicable | Directory containing the database and monitor files. |
| \Database | Newpb.mdb | Newly posted database to be copied to PBServer.mdb. |
| \Database | Newpb.txt | Monitor file that aids the process of closing the database in order to copy a new one. |
| \phone_book | Not applicable | Directory containing the full and delta .cab files for a particular phone book |
| \phone_book | XFULL.cab | File containing a full phone book file, a version file, and regions files. (X represents the version number.) |
| \phone_book | XDELTAn.cab | File containing delta information. (X represents the version number; n represents a the previous version of the .cab file (usually X-1.)) |