How does the Miles & More offer work?
 

Definitely have your Honors airline account set to Miles and More, otherwise they do not know your Lufthansa account number to which the miles can be allocated. Not sure if you've missed out on the 3 stays, but suspect you'll have to contact Hilton Honors to see if they'll be kind and allocate the miles.

In the past the change of airline partners was not instantaneous. I would also check that LH would appear as an airline partner on your hotel bill. It should be next line after HHonors#.

I'm guessing it worked if it looks something like this.
Screenshot from hfp

Hfp advised that you set up your Hilton account to review points+miles to Lufthansa and provide the miles and more membership number. (Also don't forget to actually register for the bonus.)

There is more to it, I've just discovered.

Hilton apparently hard-codes your airline partner at the time of booking. This means that you need to get the hotel to change your preferred airline partner to LH so that the LH number shows on your bill, should you previously have had it set to a different airline or no airline at all. Alternatively retroclaim the miles afterwards.

Not everyone is having problems with this but some are. I have seen support emails sent to readers from Hilton HQ.

Also not clear if it works on reward nights ..... seems it may not.

Yes, you need to set it to up in your preferences and it needs to be the primary. If the number is on your hotel bill when you check out then you get the miles. If not, you are going to have to attempt to get retro credit.

In my case the miles have posted to my Hilton account but have not yet posted on my LH account.

You can also go to your reservation and edit it yourself.
For the reservations made before the signup
Under "ACTION" select View/Edit
Then under guest information you'll notice you are missing the travel partner - hit "Change"
Double check that your airline (and other info whilst you're at it) is correct
Confirm and it should now show up.

https://cimg0.ibsrv.net/gimg/www.fly...fbc80584fb.png
Before (above)
https://cimg1.ibsrv.net/gimg/www.fly...aa060e555e.png
After (above)

I just had my first miles post to my LH account. I stayed at the Colombo Hilton on 8 August, the miles showed in my Hilton account when this stay posted, and it looks like it took about a week for LH to pick them up.

This is going to be a great promo!

- Thank you for the instructions. However, I do not see a way to update the existing PREPAID reservation.

Do I still get the 80% Gold bonus with the miles and more offer? Thanks

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I would be very grateful if anyone has a datapoint on whether you get these 2500 miles if you go for a points + cash rate because i understand you don't get them on pure redemption stays.

Just had a response from Hilton on the question i'd raised:-

Thank you for your inquiry regarding Lufthansa Miles & More 25 Anniversary Offer. We appreciate you taking the time to contact us.

Regretfully, the said offer could not be applied to Points and Money stays as the stay needs to be fully paid to earn the promotional mile points.

Thanks for the update on this. I was going to do the points and money rate on an upcoming stay. I guess I won't be doing that now.