Exchange 2016 install fails.

im trying to create a new Exchange 2016 server to migrate from 2010. However during the setup im getting a message saying that there is a 2000 or 2003 exchange server on the network.

We have never had a exchange 200 or 2003 server. The first on premise excahnge server was 2010 as part of SBS 2011.

I cannot find any references to an older exchange server.

Any ideas how i can fix this.
motorhogAsked:
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timgreen7077Exchange EngineerCommented:
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motorhogAuthor Commented:
Looking at the article, i cannot see either of those Container names in the Tree. I have attached a screen shot.
FrontierSalvage_2018-03-02_09-05-01.png
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Hasin Ahmed ChoudharyExchange AdministratorCommented:
You need to look into configuration partition.
Services-->Microsft Exchange---> Your Org Name-->AdministrativeGroups

Check if you find CN=First Administrative Group under above group. This group belongs to 2003.

2020 onward you see :CN=Exchange Administrative Group (FYDIBOHF23SPDLT)
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motorhogAuthor Commented:
Yes, can see that now.

Is it just a case of deleting the First Administrative group???  We have never had an older exchange server. just the 2010 one we are currently using.

Thanks
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motorhogAuthor Commented:
Thanks, have found another post on here advising to delete the First Administrative group. I have done this and Exchange 2016 is now installing
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