Error: Microsoft.Crm.Setup.Server.PublishDefaultDataAction

When you have uninstalled CRM and try to install this again, you might run into the following error message:Microsoft.Crm.Setup.Server.PublishDefaultDataAction failed --->System.MissingMethodException: Method not found: 'Void Microsoft.Crm.CrmCache`1.RemoveEntry(System.String)'.This is being caused by the fact that you have other components of CRM still installed from the previous installation.

The path is not of a legal form

While installing the Dynamics CRM Data Migration Manager on a Dynamics CRM server, you might get this error message:The path is not of a legal formTo solve this error you should go to the registry and change the InstallLocation of the CRM server. The location is different for x86 and x64, but can easily be found by going to:[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\

Unexpected 401 when using NetworkService in Web Service call

When you are calling any CRM Web Service and you decide to specify your own credentials by using a new instance of NetworkCredential, then you should make sure that you are not specifying the 'UseDefaultCredentials' after you have specified the Credentials. This will cause IIS to not fully understand how to authenticate. The result is that you will get this 401.2 error message: Unauthorized: