[THIN] SP3 Gotcha - SP3, DCOM & Windows Installer
- From: Chris Coleman <Chris.Coleman@xxxxxxxxxx>
- To: thin@xxxxxxxxxxxxx
- Date: Wed, 11 Sep 2002 11:22:25 +0930
One of our network engineers got caught out by this on the weekend with a
SBS 2000 server...
http://support.microsoft.com/default.aspx?scid=kb;en-us;Q324631
<http://support.microsoft.com/default.aspx?scid=kb;en-us;Q324631>
The "workaround" that Microsoft have provided hasn't worked in our case -
the server is left with a Windows Installer subsystem that doesn't work and
has defied all efforts so far to fix it. :-(
Microsoft Knowledge Base Article - Q324631
Service Pack 3 Update Is Unsuccessful When DCOM Impersonation Level Is Set
to Anonymous
SYMPTOMS
If you try to install Service Pack 3 (SP3) for Windows 2000 on a computer on
which the Distributed Component Object Model (DCOM) default impersonation
level is set to Anonymous, the upgrade to Service Pack 3 is unsuccessful and
you receive the following error message:
An error in updating your system has occurred.
When you click OK, Windows is not upgraded to SP3 and you can no longer
install programs that use the Windows Installer (.msi packages).
NOTE: If you later try to install a program that uses the Windows Installer,
you may receive an error message similar to the following:
The Windows Installer Service could not be accessed.
This can occur if you are running Windows in safe
mode, or if the Windows Installer is not correctly
installed. Contact your support personnel for assistance.
CAUSE
This behavior occurs because version 2.0.2600.2 of the Windows Installer
(included with SP3 for Windows 2000) does not install or run on a computer
where the DCOM default impersonation level is set to Anonymous.
After an unsuccessful SP3 installation, version 2.0.2600.2 of the Windows
Installer remains on the computer, but in a nonfunctioning state.
RESOLUTION
To work around this issue, change the DCOM default impersonation level to
Identify, remove the Msisip.dll file, and then reinstall SP3 for Windows
2000. To do this, follow these steps:
Click Start, click Run, type dcomcnfg in the Open box, and then click OK.
Click the Default Properties tab, and then click Identify in the Default
Impersonation Level list.
Click OK.
Click Start, click Run, type explorer /select, %windir%\system32\msisip.dll
in the Open box, and then click OK.
Right-click Msisip.dll, and then click Rename.
Rename Msisip.dll as msisip.old, and then press ENTER.
Reinstall SP3 for Windows 2000.
...Chris
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