Windows Recon automatic enrollment

Question

Hello,

I'm trying to setup automatic enrollment for my Windows machines. 
I've setup a scheduled task in group policy for checking in, this works great.

However, upon Quickadd creation I was getting some strange errors, here is a screenshot.

I went on to investigate command line enrollment for my clients. Here is the (same) result:

C:WindowsTempjamf.exe enroll -overrideJSS https://jss.psd401.net:8443 -username imaging -password * -allowInvalidCertificate -ssl true

JSS enrollment process started...Overriding JSS Url. Url to be used -> https://jss.psd401.net:8443Overriding AllowInvalidCertificate -> TrueEnrolling to 'https://jss.psd401.net:8443/'...The SSL certificate was successfully save as: 'Peninsula School District JSS Built-in Certificate Authority'Starting invitation request...There was an unexpected error executing the command 'jamf.Commands.CommandEnroll'!System.NullReferenceException: Object reference not set to an instance of an object.
   at jamf.JAMFCoreComm.JssRequest.ProcessInvitationRequest(WebRequest request)
   at jamf.JAMFCoreComm.EnrollmentComm.InvitationRequest.JssInvitationRequest()
   at jamf.Commands.CommandEnroll.RequestInvitation()
   at jamf.Commands.CommandEnroll.Execute()
   at jamf.Program.Main(String[] args)

The error occurs on multiple computers.Thanks for the help, I'm hoping anybody finding this finds a resolution.

pat_best · Accepted Answer

Hi there!  I just ran through something similar...  check to make sure that your extension attributes (mac or PC) do not contain the characters : or -  that is colon or dash.  I had to rename a few to get my Windows Recon working again.

psd_martinb · Answer

I was able to continue trying to create a Quickadd with success. When I try to create another Quickadd the issue continues.

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