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In many articles, it says that Global Catalog can't have an Infrastructure Master role.<br />
I would like to know how they impact each other. <br />
if it's recommended &nbsp;not to have GC and IM together, Why it doesn;t prevent you from giving a role of IM to a GC or make an IM a GC?<br />
<br />
Thanks
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In many articles, it says that Global Catalog can't have an Infrastructure Master role.
I would like to know how they impact each other. 
if it's recommended  not to have GC and IM together, Why it doesn;t prevent you from giving a role of IM to a GC or make an IM a GC?

Thanks

GLobal Catalog and Infrastucture Master

Windows Server 2003 was based on Windows XP and was released in four editions: Web, Standard, Enterprise and Datacenter. It also had derivative versions for clusters, storage and Microsoft’s Small Business Server. Important upgrades included integrating Internet Information Services (IIS), improvements to Active Directory (AD) and Group Policy (GP), and the migration to Automated System Recovery (ASR).