Is there any way of creating a set of patches that are mutually exclusive?  I 
have software that has two patches A and B.   Now If the software has patch A 
installed it is to prevent install of B.   I get this by sequencing A after B 
and marking A to supersede B (now if you uninstall patch A it would apply B I 
am fine with that).   However I need to also ensure that if they installed B 
first that they cannot install A.   The sequence mentioned before is directly 
opposite that and will allow for A to patch over B.  I was contemplating 
writing some sort of custom action to do this logic check but wasn't sure if 
there was something I am overlooking in the sequencing or patching in general.  
 Can anyone help me?   Am I left to write some custom action to detect this 
scenario and prevent it myself?

--Brian


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