To add a snap-in to an existing MMC, complete the following steps:
1. Click Start, point to All Programs, point to Administrative Tools, and then click the name of the custom MMC.
2. On the File menu, click Add/Remove Snap-In.
3. In the Standalone tab in the Add/Remove Snap-In dialog box, click Add.
4. In the Add Standalone Snap-In dialog box, select the snap-in you want to add to the existing MMC and click Add.
5. Enter additional details for the snap-in as described in the previous procedure.
6. When you are finished adding snap-ins, click Close in the Add Standalone Snap-In dialog box. The snap-ins you have added appear in the list in the Add/Remove Snap-In dialog box.
7. In the Add/Remove Snap-In dialog box, click OK. MMC displays the snap-ins you have added in the console tree below Console Root.
To remove a snap-in from an existing MMC, complete the following steps:
1. Click Start, point to All Programs, point to Administrative Tools, then click the name of the custom MMC.
2. On the File menu, click Add/Remove Snap-In.
3. In the Standalone tab in the Add/Remove Snap-In dialog box, select the snap-in you want to delete and click Remove. Then click OK. The snap-in is removed from the console.
To add or remove an extension to a snap-in on an existing MMC, complete the following steps:
1. Click Start, point to All Programs, point to Administrative Tools, and then click the name of the custom MMC.
2. On the File menu, click Add/Remove Snap-In.
3. In the Standalone tab in the Add/Remove Snap-In dialog box, select the snap-in for which you want to
add or remove an extension. Then click the Extensions tab.
4. In the Extensions tab, indicate the extension(s) you want to add or delete, as follows:
❑ To add an extension, click the desired extension.
❑ To remove an extension, clear the Add All Extensions check box and then in the Available Extensions box, clear the check box for the desired extension.
5. Click OK.
6. Expand the snap-in to confirm that the desired extension has been added or removed.