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Microsoft Dynamics CRM VPC - August 2007 Edition August fix

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Since my solution and fix for the August 2007 VPC out of my blog comments works I wanted to share it with a bigger audience. I also have to make this post since there are a few solutions out there that are incorrect. There are two possible solutions to fix the VPC.

The first solution is to remove the host header on the Microsoft CRM website and change port 80 to 5555 within IIS. After this open regedit and do a find and replace in the registry on https://crm and replace it with https://ds-srv-01:5555. Go to start/run and type in IISRESET. After that you should access Microsoft Dynamics crm via https://ds-srv-01:5555.

The second solution that has worked for me is explained here: https://support.microsoft.com/kb/896861 

The description of this KB is:
"When you use the fully qualified domain name (FQDN) or a custom host header to browse a local Web site that is hosted on a computer that is running Microsoft Internet Information Services (IIS) 5.1 or IIS 6, you may receive an error message that resembles the following: HTTP 401.1 - Unauthorized: Logon Failed"

This issue occurs when the Web site uses Integrated Authentication and has a name that is mapped to the local loopback address.

After applying either one the fixes make sure you save the changes to the image. Please let me know how these solutions work out for you and which you prefer!

Comments

  • Anonymous
    November 11, 2007
    I've tried the KB article method 1 and 2 and it was not enough. I was also necessary to add "crm" entry to hosts file

  • Anonymous
    November 12, 2007
    Thank you for your feedback Fernando.

  • Anonymous
    November 13, 2007
    Yup I agree with Fernando neither of these solutions worked for me but hosts file works just fine..in fact that how the MOSS VPC works also using hosts