SQL Server Mirrored DB failed over, replication completely down

Hello Experts,

SQL Server 2008 R2 - I am trying to transition off of Enterprise to Standard...  We just don't use any enterprise features, and I'm pretty sure replication is built into standard as well, mirroring is (just not async mirroring).

I dug my own grave on this one, I did not read BP on mirroring + replication.

My original setup, did not include mirroring of my database, and replication was fine.
Here is my original setup:
HostA - Principal+Dist+Pub  (Sql 2008 R2 Ent)
HostB - Subscriber (Sql 2008 R2 Ent)

I recently setup a mirror partner (HOSTC), and then failed over to that mirror partner.  I also setup a new HostD to replace HostB, but also take over Dist functions since I will have a mirror setup.  I simply ASSUmed that I would have to setup replication all over again from scratch since I was not transferring the Distribution DB over.   Mirroring is working great.  Replication is nogo, across the board.  I setup HostD as my distributor on HostC, reading that I would need to now share a distributor since I had mirroring enabled.
Here is my new setup:
HostA - MirrorPartner (Sql 2008 R2 Ent)
HostB- Subscriber (Sql 2008 R2 Ent)
HostC- Principal+Pub (Sql 2008 R2 Std)
HostD-Dist (Sql 2008 R2 Std)

I'm now locked out of any kind of replication operations on HostC.  My old publications still show up now on HostC, but I am unable to delete them, unable to create new subscriptions (using HostD as Dist).  I get many errors about "Could not find stored proc ''.  (Microsoft SQL Server, Error: 2812) "

I'm not even sure what data I can collect to give you experts, but any help would be appreciated.  I see a lot of results for "What to do before you enable mirroring", but not a lot on if things go wrong.    Some things I've gathered.

On one of my DBs that is mirrored, and had replication all setup and working in original setup (but rep is not working now, as are all of my DBs)
exec sp_helpdistributor;   Shows HostD as my distributor
I can view it's properties, but I cannot delete the publication.

I've attempted to "Disable Publishing and Distribution..." realizing it will delete all publication+subscriptions (Great!  That's what I wanted, I'll do that!)  And I get a similar error to the above, could not find stored procedure.  I also get "Distributor has not been installed correctly", which is odd, because I'm trying to disable it, remove it entirely.

I have created a publication on a newly mirrrored DB on HostC (it was never setup for replication to begin with).  I began a subscription to it from HostD, waiting on it to finish.
Who is Participating?
kzsigoConnect With a Mentor Author Commented:
In addition,

I'm preparing to fail the databases back to HostA (the original, and seemingly current Dist).
I'll disable distribution+publishing there
and then fail back over to HostC unless anyone has any wise words before that happens.
kzsigoAuthor Commented:
I solved this by doing the above, my intuition was right.  My belief is that I used the same server as the publisher+Distributor, that when I failed over to mirror partner, is why I was unable to modify any replication settings.
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