We're trying to use Software Update Point-based installation and it appears that the uninstallation of SMS 2003 works... Doing some more tests to validate this.
Anybody else tried this?
<![LOG[Current client version '2.50.4253.3000' doesn't meet the minimum in-place upgradable version '5.00.7685.0000'.]LOG]!><time="00:24:48.996+480" date="02-27-2012" component="ccmsetup" context="" type="1" thread="2860" file="msiutil.cpp:638">
<![LOG[upgrade code '{252DA259-82CA-4177-B8D0-49C78937BA3E}': product = '{4A39A27F-005B-407E-8CF5-F4D8065658E4}', installed = 1, version = 2.50.4253.3000]LOG]!><time="00:24:52.386+480" date="02-27-2012" component="ccmsetup" context="" type="0" thread="2860" file="msiutil.cpp:1242">
<![LOG[A SCCM client with version '2.50.4253.3000' is detected. It's smaller than the minimum upgradable version '5.00.7685.0000' so current client will be uninstalled.]LOG]!><time="00:24:52.386+480" date="02-27-2012" component="ccmsetup" context="" type="1" thread="2860" file="util.cpp:451">
<![LOG[source location is not under software distrubtion cache folder. No need to back up source.]LOG]!><time="00:24:52.401+480" date="02-27-2012" component="ccmsetup" context="" type="0" thread="2860" file="preuninstallcopysource.cpp:51">
<![LOG[No current reboot settings to backup.]LOG]!><time="00:24:52.401+480" date="02-27-2012" component="ccmsetup" context="" type="0" thread="2860" file="uninstallpreservereboot.cpp:66">
<![LOG[A newer version client is being installed over an old client and uninstalling old client is necessary. Uninstalling the old client.]LOG]!><time="00:24:52.401+480" date="02-27-2012" component="ccmsetup" context="" type="1" thread="2860" file="ccmsetup.cpp:7248">
<![LOG[uninstalling product '{4A39A27F-005B-407E-8CF5-F4D8065658E4}'.]LOG]!><time="00:24:52.401+480" date="02-27-2012" component="ccmsetup" context="" type="1" thread="2860" file="msiutil.cpp:1141">
<![LOG[Running installation package
Product: {4A39A27F-005B-407E-8CF5-F4D8065658E4}
Log: C:\WINDOWS\ccmsetup\client.msi_uninstall.log
Properties: ]LOG]!><time="00:24:52.401+480" date="02-27-2012" component="ccmsetup" context="" type="1" thread="2860" file="msiutil.cpp:1053">