BTSTask gives me an error when exporting or importing bindings

BTSTask can sometimes throw an error relating to .NET versions when you attempt to export or import bindings for ActiveADAPTER send ports and receive locations. Try the following:

In your BTSTask.exe.config file (located in your Program Files BizTalk folder), add the following just under <configuration> tag:

<startup useLegacyV2RuntimeActivationPolicy="true">
 <supportedRuntime version="v4.0" />
 </startup>
FAQs
What version of the .NET framework does ActiveADAPTER require?

.NET framework 3.5SP1. If it is not installed it can be easily downloaded and installed from Microsoft at:

http://www.microsoft.com/en-au/download/details.aspx?id=22

See the entire answer

Can I use ActiveADAPTER components in multiple BizTalk applications?

Yes. Once installed, ActiveADAPTER Active Directory Send and Receive Adapters will be an available option for all Send Ports and Receive Locations.

See the entire answer

Is there a version of ActiveADAPTER for BizTalk 2006?

An older version of ActiveADAPTER is available for BizTalk Server 2006, based on .NET 2.0. Please contact us if you are interested in evaluating this version.

See the entire answer