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Request IP Address has different address family from network address.

Wed, 03/12/2008 - 09:02 |  Robert MacLean
Here is a new great error for MSCRM 4.0 "Request IP Address has different address family from network address.". You may get this when openning MSCRM. You may also get this in the event log. If you are seeing it in the event log it means that Workflow doesn't work, Imports never happen, emails don't flow and Outlook clients cannot connect. Lastly it is likely you are using Windows 2008 (although I suspect this can hit Win2k3).

Well what is happening is that MSCRM 4.0 doesn't work with IPv6 (as pointed out at http://support.microsoft.com/kb/950100), but what is happening is that the names are resolving internally to IPv6 addresses. The easy way to test is ping the server name and localhost for instance, if you get an IPv6 ip address then welcome to the black parade.

The fix for this is simple, open your hosts files (<system drive>:\windows\system32\drivers\etc\hosts) and add a line for your server name there with an IPv4 address. Save and ping again to make sure it is working. Once it is, do an IISReset and it will be working!
Tags: MSCRM
There is a KB-article and a hotfix available under: http://support.microsoft.com/kb/954313/en-us
Submitted by Oliver Voit on Fri, 12/12/2008 - 11:43.

[...] Workflows which are stuck in In Progress or Waiting (http://support.microsoft.com/kb/957701/) – fixed. I am hoping this refers to my previous posts on the issue. [...]

Submitted by CRM 4 Rollup Pack 1 | SADev.co.za on Thu, 11/27/2008 - 09:25.
Thank you for posting - that was awesome. Worked like a charm.
Submitted by Anonymous on Sat, 11/15/2008 - 02:46.

[...] issue causing the same problems has been found and solved. See: http://www.sadev.co.za/node/170 After you get MSCRM 4.0 up and running (install or upgrade) on your system with a custom host [...]

Submitted by Workflow doesn&amp;#039;t work, Imports never happen, emails on Mon, 06/23/2008 - 18:48.

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