Cannot Download Large Files Over HTTPS Using Proxy Server Combined Hotfix (222948)

The information in this article applies to:

Microsoft Proxy Server 2.0

This article was previously published under Q222948

SYMPTOMS

When you attempt to download a file via HTTPS through Proxy Server 2.0 with the Proxy Server Combined Hotfix applied, the download may fail after a short amount of time. The Internet browser may stop responding or download an incomplete file. Internet Explorer may return the following error message:

Internet Explorer cannot download from the internet site [file name] from [Web_site_name or IP_Address]. Server returned invalid or unrecognized response.

RESOLUTION

This problem is resolved in Microsoft Proxy Server 2.0 Service Pack 1 (SP1). For more information about Service Pack 1, please see the following article in the Microsoft Knowledge Base:

238375 Proxy Server 2.0 Service Pack 1: List of Fixes

STATUS

Microsoft has confirmed that this is a problem in Proxy Server 2.0.

MORE INFORMATION

This error only occurs after applying the Proxy Server Combined Hotfix described in the following Microsoft Knowledge Base article:

190997 Proxy Server 2.0 Combined Hotfix Information and List of Fixes

The error observed by the client browser depends on the browser used to download the file, the size of the file, and the available bandwidth used while downloading the file.

Modification Type:	Minor	Last Reviewed:	9/22/2005
Keywords:	kbHotfixServer kbQFE kbbug kbfix kbQFE KB222948 kbAudDeveloper