Error when adding new provisioned servers to the machine catalog - Error stated the following:

"The formatter threw an exception while trying to deserialize the message: There was an error while trying to deserialize parameter http://tempuri.org/:records. The InnerException message was 'Invalid enum value 'RegistrationStateMismatch' cannot be deserialized into type 'Citrix.Broker.Admin.SDK.DeregistrationReason'. Ensure that the necessary enum values are present and are marked with EnumMemberAttribute attribute if the type has DataContractAttribute attribute.' "

Move the machines back to the device collection where they were moved out from to match the same machine count listed on the Machine catalog in Studio.

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Problem Cause

Some machines were moved out from the Device Collection to a different but it was not moved on the Machine Catalog resulting to a mismatch of the Device Collection on the PVS Console and the Machine Catalog on the XenDesktop Studio.

The formatter threw an exception while trying to deserialize the message: There was an error while trying to deserialize parameter http://tempuri.org/:records. The InnerException message was 'Invalid enum value 'RegistrationStateMismatch' cannot be deserialized into type 'Citrix.Broker.Admin.SDK.DeregistrationReason'. Ensure that the necessary enum values are present and are marked with EnumMemberAttribute attribute if the type has DataContractAttribute attribute.'.