Showing results for 
Search instead for 
Did you mean: 
Regular Visitor

Converting Leads to Contacts in Dynamics 365 - Ambiguous binding is present.


I'm trying to convert all the Leads in Dynamics to Contacts but I'm getting the following error:

Ambiguous binding is present. Resolve by sending lookup_type property.


Here's my flow (can't work out how to get this to show the image so here's a link)


Any ideas how I can resolve the error?




Community Support
Community Support

Hi @OlivermUK,


You could refer to the two posts with a similar issue, there is some discussion about it, hope it could help you something:

1. Solved: Ambiguous binding is present. Resolve by sending l... - Power Platform Community (microso...


2. getting error "Ambiguous binding is present. Resol... - Power Platform Community (


Best Regards,
Community Support Team _ Lin Tu
If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.

Helpful resources

Microsoft Ignite

Microsoft Ignite

Join digitally, March 2–4, 2021 to explore new tech that's ready to implement. Experience the keynote in mixed reality through AltspaceVR!

New Super Users

Meet the Power Automate Super Users!

Many congratulations to the Season 1 2021 Flownaut Crew!

New Badges

New Solution Badges!

Check out our new profile badges recognizing authored solutions!

MPA Community Blog

Power Automate Community Blog

Check out the community blog page where you can find valuable learning material from community and product team members!

Users online (35,262)