Microsoft.Crm.WebServices doesn't exist for custom web page

-
Ever got this error while trying to access a custom web page from your virtual directory hosted in Microsoft Dynamics CRM/ISV folder:

Microsoft.Crm.WebServices.Crm2007.MultipleOrganizationSoapHeaderAuthenticationProvider, Microsoft.Crm.WebServices, Version=4.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35' doesn't exist

This typically also appears while accessing you custom web page for the first time on a 64 bit CRM box.

The reason for the error is that CRM adds 2 HttpModules (MapOrg and CrmAuthentication) to web.config in the root of the CRM website. The CrmAuthentication HttpModule is in the microsoft.crm.webservices.dll assembly, which is not in the path of the custom virtual directory.

There are two solutions to this. Either:

1. Add microsoft.crm.webservices.dll to the bin folder of your web site and then add it to the global assembly cache. Run iisreset.
OR
2. Remove the CrmAuthentication HttpModule from the virtual directory. To remove the HttpModule, add the following to the web.config in the custom virtual directory (within the system.web element).

Option#1 has always worked for me :). Hope this helps!!

Comments

Post a Comment

Popular posts from this blog

The key specified to compute a hash value is expired, only active keys are valid.

-
Ever accessed Microsoft Dynamics CRM and got the error “The key specified to compute a hash value is expired, only active keys are valid.” The error logged in the trace is as follows: MSCRM Error Report: -------------------------------------------------------------------------------------------------------- Error: Exception of type 'System.Web.HttpUnhandledException' was thrown. Error Number: 0x8004A106 Error Message: The key specified to compute a hash value is expired, only active keys are valid. Expired Key : CrmKey(Id:d0879dd3-7f9d-de11-a5c4-0003ff392bd3, ScaleGroupId:00000000-0000-0000-0000-000000000000, KeyType:CrmWRPCTokenKey, Expired:True, ValidOn:09/09/2009 20:32:01, ExpiresOn:10/12/2009 20:31:55, CreatedOn:09/09/2009 20:32:01, CreatedBy:NT AUTHORITY\NETWORK SERVICE. Error Details: The key specified to compute a hash value is expired, only active keys are valid. Expired Key : CrmKey(Id:d0879dd3-7f9d-de11-a5c4-0003ff392bd3, ScaleGroupId:00000000-0000-0000-0000-000000000
Read more

IFD Implementation for custom web pages and Anonymous Access

-
When deploying my custom web pages for an IFD deployment, I got a FileLoadException (Exception from HRESULT: 0x80131401) on accessing the page in the browser. Basically, this issue arose since anonymous access was somehow disabled for the “ISV/CustomPages” application in IIS while by default it is enabled for the Microsoft Dynamics CRM website. This implied that my custom web site was using Windows NT Authentication, while the Microsoft Dynamics CRM Website was enabled for anonymous access. Hence, I got “Loading this assembly would produce a different grant set from other instances” on accessing any of my web pages from within MS CRM. Simply turning on anonymous access for my custom website did the trick and rendered all my custom web pages correctly :)
Read more

Using CRM Services to create or update records in large numbers

-
Recently, I implemented a plug in code which invoked auto creation of records from a contacts list (rather marketing lists based on MS CRM contacts) for my custom entity. The code worked well but it hanged whenever I considered a marketing list of more than 3000 contacts. The error logged read: Only one usage of each socket address (protocol/network address/port) is normally permitted. Basically, the error was thrown when the creation process exhausted the limit of socket connections allowed by the IIS and the SDK still polled for another connection and consequentially timed out after a certain number of records were created. A quick workaround for this is to change the following entries in the registry: HKLM\System\CurrentControlSet\Services\Tcpip\Parameters\MaxUserPort to 65534AndHKLM\System\CurrentControlSet\Services\Tcpip\Parameters\TCPTimedWaitDelay to be 30 The link : http://dmcrm.blogspot.com/2008/07/updating-records-in-mass-via-sdk.html also mentions a resolution of this by us
Read more