By default, the BizTalk Server installation folder is C:\Program Files\Microsoft BizTalk Server.
NOTE: The DLL file
Setupex.dll is not changed consistently between service packs. Therefore, do not compare the file properties of Setupex.dll to the values that appear in this table.
+--------------+------------------------------+
| DLL version | Version of BizTalk installed |
+--------------+------------------------------+
| 2.0.1723.0 | 2000 |
+--------------+------------------------------+
| 2.0.1757.0 | 2000 SP1 |
+--------------+------------------------------+
| 2.0.1764.0 | 2000 SP1a |
+--------------+------------------------------+
| 2.0.1907.0 | 2000 SP2 |
+--------------+------------------------------+
| 3.0.1159.0 | 2002 |
+--------------+------------------------------+
| 3.0.2023.0 | 2002 SP1 |
+--------------+------------------------------+