Error message when you try to install Live Communications Server 2005 Archiving Service on a computer that is running Live Communications Server 2005 Service Pack 1: "Error 1722"

You try to install Live Communications Server 2005 Archiving Service on a computer that is running Microsoft Office Live Communications Server 2005 Service Pack 1 (SP1). When you do this, you receive the following error message:

This issue occurs when hotfix 911996 is installed on the computer. When this hotfix is installed, the file version of the Lcwmi.dll file and the Lctaskhandler.dll file is changed to version 2.0.5470.1028. However, the Archiving Service installation process searches for version 2.0.5470.0 of the Lcwmi.dll file and the Lctaskhandler.dll file.

For more information about hotfix 911996, click the following article number to view the article in the Microsoft Knowledge Base:

To work around this issue, copy version 2.0.5470.0 of the Lcwmi.dll file and the Lctaskhandler.dll file from Live Communications Server 2005 SP1 to the computer. Then, install Live Communications Server 2005 Archiving Service. After Live Communications Server 2005 Archiving Service is installed, copy version 2.0.5470.1028 of the Lcwmi.dll file and the Lctaskhandler.dll file to the computer.

To do this, follow these steps.

Note To complete this procedure, you must have the Live Communications Server 2005 SP1 files. You can download Live Communications Server 2005 SP1 from the Microsoft Download Center. To do this, visit the following Microsoft Web site:

1. Click Start, right-click My Computer, and then click Explore.
2. Expand the following folder:
   C:\Program Files\Common Files\Microsoft LC 2005
3. In the Microsoft LC 2005 folder, right-click Lcwmi.dll, and then click Rename.
4. Delete dll, type NEW at the end of the file name so that the name is "Lcwmi.NEW," and then press ENTER.
5. Right-click Lctaskhandler.dll, and then click Rename.
6. Delete dll, type NEW at the end of the file name so that the name is "Lctaskhandler.NEW," and then press ENTER.
7. Locate the folder in which you have saved the Live Communications Server 2005 SP1 files.
8. Expand the Setup folder, and then click the I386 folder.
9. In the right pane, click Lcwmi.dll, press and hold CTRL, click Lctaskhandler.dll, and then release CTRL.
10. Right-click one of the selected files, and then click Copy.
11. Return to the C:\Program Files\Common Files\Microsoft LC 2005 folder, right-click a blank space in the right pane, and then click Paste.
12. Install Live Communications Server 2005 Archiving Service.
13. Return to the C:\Program Files\Common Files\Microsoft LC 2005 folder, click Lcwmi.dll, press and hold CTRL, click Lctaskhandler.dll, and then release CTRL.
14. Click one of the selected files, and then click Delete.
15. Right-click Lcwmi.NEW, and then click Rename.
16. Delete NEW, type dll at the end of the file name so that the name is "Lcwmi.dll," and then press ENTER.
17. Right-click Lctaskhandler.NEW, and then click Rename.
18. Delete NEW, type dll at the end of the file name so that the name is "Lctaskhandler.dll," and then press ENTER.