Microsoft KB Archive Search

Notice: This website is an unofficial Microsoft Knowledge Base (hereinafter KB) archive and is intended to provide a reliable access to deleted content from Microsoft KB. All KB articles are owned by Microsoft Corporation. Read full disclaimer for more details.

  1. Home
  2. FIX: "The URL you requested cannot be accessed" error message may be returned when a client sends an HTTP POST request to a portal in Forefront Unified Access Gateway 2010

FIX: "The URL you requested cannot be accessed" error message may be returned when a client sends an HTTP POST request to a portal in Forefront Unified Access Gateway 2010

View products that this article applies to.

Symptoms

When a client sends an HTTP POST request to a portal in Microsoft Forefront Unified Access Gateway (UAG) 2010, Forefront UAG 2010 may intermittently return the following error message:

The URL you requested cannot be accessed.

↑ Back to the top

Cause

You may experience this problem when a client sends an HTTP POST that has 2,047 bytes or 2,048 bytes of header data. This problem occurs more frequently if you publish an Active Directory Federation Services (AD FS) server, because the Secure Association Markup Language (SAML) request adds significantly to the size of the request header.

↑ Back to the top

Resolution

This problem is fixed in the update that is described in Description of Rollup 1 for Forefront Unified Access Gateway 2010 Service Pack 3 .

↑ Back to the top

Workaround

To work around this problem, you may be able to change the problematic requests so that they send more bytes or fewer bytes of header data.

↑ Back to the top

Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

↑ Back to the top

References

For information about software update terminology, please see Description of the standard terminology that is used to describe Microsoft software updates .

↑ Back to the top

Keywords: kbqfe, kbfix, kbnotautohotfix, kbexpertiseinter, kbsurveynew, kbbug, kb

↑ Back to the top

Article Info
Article ID : 2831570
Revision : 1
Created on : 1/7/2017
Published on : 4/9/2013
Exists online : False
Views : 253