KB46167: "Bad Request. HTTP Error 400. The request is badly formed." error when accessing MicroStrategy Web 9.4.1 and above hosted on virtualized Windows Server 2008 R2 with IIS 7.5

• Strategy

Upon accessing MicroStrategy Web 9.4.1 and above, users don't receive even authentication prompt but only the following error: "Bad Request. HTTP Error 400. The request is badly formed."

SYMPTOM:
Upon accessing Strategy Web 9.4.1 and above, users don't receive even authentication prompt but only the following error:


Bad Request. HTTP Error 400. The request is badly formed.

There were no changes on server. DSSErrors.log and MSTRLog_mmddyyyy.log show no significant entries for this issue. The problem reproduces with every user. Different accesses to Strategy Web server such as IP address, server name, FQDN were tested without any success.
Event viewer shows only one Error:

Event ID 2004 details show:


Log Name:      Application
Source:        Microsoft-Windows-PerfNet
Date:          2/21/2014 11:40:17 AM
Event ID:      2004
Task Category: None
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      servername.domain.com
Description:

Unable to open the Server service performance object. The first four bytes (DWORD) of the Data section contains the status code.

Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Microsoft-Windows-PerfNet" Guid="{CAB2B8A5-49B9-4EEC-B1B0-FAC21DA05A3B}" EventSourceName="PerfNet" />
    <EventID Qualifiers="49152">2004</EventID>
    <Version>0</Version>
    <Level>2</Level>
    <Task>0</Task>
    <Opcode>0</Opcode>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2014-02-21T14:40:17.000000000Z" />
    <EventRecordID>20905</EventRecordID>
    <Correlation />
    <Execution ProcessID="0" ThreadID="0" />
    <Channel>Application</Channel>
    <Computer>servername.domain.com</Computer>
    <Security />
  </System>
  <EventData>
    <Binary>340000C0</Binary>
  </EventData>
</Event>

CAUSE:
Event ID 2004 shows a problem with PerfNet - Network Performance Counters used by applications and services. World Wide Web Publishing Service, and many other services require this to work properly.

ACTION:
In this scenario, restarting the web server machine solved the issue. However, if it fails or the recurrence of the problem is high please contact Microsoft support. For further information, please refer to the following Microsoft note: Event ID 2004 — Network Performance Counter Availability (http://technet.microsoft.com/en-us/library/cc727117(WS.10).aspx)

Third Party Software Installation Warning:
The third-party product(s) discussed in this technical note are manufactured by vendors independent of Strategy. Strategy makes no warranty, express, implied or otherwise, regarding these products, including their performance or reliability.

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Details

Knowledge Article

Published:

April 7, 2017

Last Updated:

April 7, 2017

Log Name: Application Source: Microsoft-Windows-PerfNet Date: 2/21/2014 11:40:17 AM Event ID: 2004 Task Category: None Level: Error Keywords: Classic User: N/A Computer: servername.domain.com Description: Unable to open the Server service performance object. The first four bytes (DWORD) of the Data section contains the status code. Event Xml: <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event"> <System> <Provider Name="Microsoft-Windows-PerfNet" Guid="{CAB2B8A5-49B9-4EEC-B1B0-FAC21DA05A3B}" EventSourceName="PerfNet" /> <EventID Qualifiers="49152">2004</EventID> <Version>0</Version> <Level>2</Level> <Task>0</Task> <Opcode>0</Opcode> <Keywords>0x80000000000000</Keywords> <TimeCreated SystemTime="2014-02-21T14:40:17.000000000Z" /> <EventRecordID>20905</EventRecordID> <Correlation /> <Execution ProcessID="0" ThreadID="0" /> <Channel>Application</Channel> <Computer>servername.domain.com</Computer> <Security /> </System> <EventData> <Binary>340000C0</Binary> </EventData> </Event>