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If you remove a dismounted, EMPTY (meaning no mailboxes have the homeMDB value pointed there) database then it just removes the logical connection between AD and Exchange (e.g: removing the database attributes and database from active directory). You still need to clean up the physical .edb and .log files.
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Adam what you mean when you said &quot;clean up the physical .edb and .log files&quot;
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EDB file will not be remove until it isn't physically deleted.
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If I remove a dismount Database from Exchange 2010, I remove edb physical from the disk or just from Exchange 2010
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If I remove a dismount Database from Exchange 2010, I remove edb physical from the disk or just from Exchange 2010

Remove dismount Database from Exchange 2010

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.

Windows Server 2008

Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. A MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol (SMTP). The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.