public folder database deleted

I inherited a 2010 SP2 exchange server and after looking at the configuration, etc. the BPA found that the siteFolderServer attribute points to a deleted object.  The previous sysadmin who is transitioning out told me they don't use public folders (probably existed from the previous 2003/2007 servers).

I was looking at this article about trying to fix it but because public folders are not being used, wondered if the first 5 steps can be ignored and if only nullifying that attribute is fine to fix this before I do an SP3 upgrade this weekend.
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Seth SimmonsSr. Systems AdministratorAsked:
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Jian An LimSolutions ArchitectCommented:
backup (copy the attribute to notepad) before you nullifying it.

also check to remove public folder from your environment

NOrmally i don't see an issues with it.

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Seth SimmonsSr. Systems AdministratorAuthor Commented:
i setup a test environment with a new exchange install and no public folder database and found that attribute to simply be null so figured it was fine to clear it in production; doesn't show up now in a new bpa scan
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