This article describes the PatchDownloader.exe utility. The PatchDownloader.exe utility is used to configure the server and the account credentials that are used to access the Internet through the following components:

•	A firewall
•	A proxy server
•	A computer that is running Microsoft Internet Security and Acceleration (ISA) Server

The PatchDownloader.exe utility is included on every Microsoft Systems Management Server (SMS) site server. The utility is located in the SMS\Bin\I386\000004xx folder on the site server. This utility is used to download the Mssecure.cab file when the Syncxml.exe program runs as part of an advertised program.

Run the PatchDownloader.exe utility on the computer that is targeted for the synchronization package. To run the utility, type the following command at a command prompt, and then press ENTER: To remove the configuration data from the registry, type the following command at a command prompt, and then press ENTER: Notes

•	The /s switch lets you specify the following information: • The name of the firewall, of the proxy server, or of the ISA Server computer • The port number that the Syncxml.exe file uses to request the Mssecure.cab file
•	The /u switch configures the user account that is used to connect through the firewall, through the proxy server, or through ISA Server.
•	The /clean switch removes previously configured information from the registry.

When the PatchDownloader.exe utility runs, you are prompted for the password of the account that is used to connect to the firewall, to the proxy server, or to ISA Server. As soon as this information has been successfully entered, a new PatchDownLoader key is created under the following registry subkey: This key has the following values:

•	Default Reg_SZ Value not set.
•	Reserved1 Reg_SZ Contains encrypted information.
•	Reserved2 Reg_SZ Contains encrypted information.
•	Reserved3 Reg_SZ Contains encrypted information.
•	Server Reg_SZ Contains the specified server name.