How to CANCEL REINITIALIZATION (Merge Replication)

Hi, on SQL SERVER 2008 R2 - Merge Replication.

I executed this script to add 1 column:

exec sp_mergearticlecolumn @publication = N'IPoint_Pub', @article = N'Proveedor', @column = N'Fax', @operation = N'add', @force_invalidate_snapshot = 1, @force_reinit_subscription = 1

This caused to reinitialize all subscriptions. 

As exposed here: https://social.msdn.microsoft.com/Forums/sqlserver/en-US/c5653b30-fc71-4dbd-a7a1-3fef01c0980d/why-did-my-subscriptions-reinitialize-without-uploading-data-first?forum=sqlreplication

3) no, when you reinitialize you have this option, but when you make a publication buster change (one that requires @force_reinit_subscription to be set to 1) there is no option to select this type of re-initialization with upload.

The problem is that we have more than 20 subscribers with lot of transactions so we need to UPLOAD that data ASAP.

How can we UPDATE replication internal tables to avoid reinitialization at the subscriber?

At least, UPLOAD the data before reinitialization.

Thanks a lot in advance,

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Best Regards, Daniel.