From Mind To Words

VIVEK KUMBHAR's WEBLOG

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  • Blog Post: “Parser Error Message: This implementation is not part of the Windows Platform FIPS validated cryptographic algorithms.” when debug=”true” in .aspx page

    Just recently one of my customer faced the below mentioned error on his Windows Server 2008 SP2 box. Read my post in our team blog on the issue: Parser Error Message: This implementation is not part of the Windows Platform FIPS validated cryptographic algorithms. HTH.
  • Blog Post: Manually migrating websites from IIS 5.0 to IIS 6.0 (or even IIS 5.0 to IIS 5.0)

    Just recently I came across an issue where a customer wanted to migrate websites from IIS 5 to IIS 6. The best and recommended option is to use “ Internet Information Services 6.0 Migration Tool ”. But there are a few limitations in using the Migration Tool they are listed in “Before You Begin” in the...
  • Blog Post: Binding Issue: WWW Service did not register the URL prefix http://*:80

    Sometime back I was working on an incident with a customer who was facing an issue when trying to access his application on Windows Server 2008. I will reproduce the issue using Apache for everyone’s benefit. If you have a server that has some kind of monitoring tool which is web based or some application...
  • Blog Post: 401.1 – Unauthorized, using Anonymous access (IUSR account)

    Just recently I was working on an issue were the customer was getting 401.1 – Unauthorized: Access is denied due to invalid credentials. The authentication method used on the website was Anonymous access. I checked the Default Web Site and that is working fine. The authentication method on the Default...
  • Blog Post: *Unknown* status for ISAPI Filter

    Hello All, I have seen this issue on IIS 6 a number of times and thought of sharing it with all. How many times have you seen the below screenshot in the ISAPI Filter tab in IIS MMC ? Well I reproduced this issue with UrlScan for everybody's benefit but this can happen to any ISAPI Filter...
  • Blog Post: HTTP COMPRESSION in IIS 6 and IIS 7 using Service Account

    I have come across few issues on HTTP Compression in IIS 6 and thought I will quickly post it across for everyone’s benefit. Enterprises prefer to compress their Static and Dynamic web content to save bandwidth. There are articles on how to enable compression and frankly it’s pretty simple. Here is...
  • Blog Post: MachineKey in IIS

    Today I thought of playing around with IIS MachineKeys. We have seen few issues with IIS Admin Service not starting and few events in System Event log like one below: Source: Service Control Manager Event ID: 7024 Task Category: None Level: Error Keywords: Classic User: N/A Description: The IIS Admin...
  • Blog Post: Restrict the website for a particular Crypto Protocol

    I have seen this issue several times and thought I would blog about it for everyone’s benefit. Enterprises have their preference of restricting their website to a particular cryptographic protocol/algorithm and hence would like to disable other. Here is a very good knowledge base article Article...
  • Blog Post: Don’t see enough log in IIS logfiles.

    Just recently I came across an issue where the customer said they don’t see IIS logs giving enough information. It’s not logging data as it should. Sounds weird isn’t it, Yes it does but that was true. We did not see any logs getting generated even if we browsed the website locally on the server....
  • Blog Post: HTTP.SYS and 100-Continue header

    Here is an interesting case which I worked on sometime back. This is something related to HTTP.SYS and I believe it is probably a bug. Customer installed SP2 for Windows Server 2003 and since then his application failed. In HTTPErr logfile we see Timer_EntityBody for the failed request and there...
  • Blog Post: Step by Step: Kerberos Single Hop Scenario

    Hello All, I have been thinking on writing few Step-by-Step articles for Kerberos Setup and Troubleshooting. There are few basic things we should remember when configuring Kerberos authentication in Windows network. Lets quickly get started with a very simple One Hop Scenario ANJANEYA = Domain...
  • Blog Post: Step by Step: Kerberos in NLB with Shared Content

    SCENARIO: IIS SERVER : WIN2K3OWA (192.168.0.2) and VIVEKKUMIIS (192.168.0.3) NLB CLUSTER : TESTWEBLB (192.168.0.30) FILE SERVER : WIN2KIIS-VPC (192.168.0.4) DOMAIN : ANJANEYA.local (192.168.0.1) All the servers are member of the ANJANEYA.local...
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