Error reported: Invalid command. There may be a hardware or media problem. Please check the system event log for relevant failures.
Hotfix InformationA supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.
If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.
Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site: Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.
PrerequisitesNo prerequisites are required.
Restart RequirementYou must restart your computer after you apply this hotfix.
Hotfix Replacement InformationThis hotfix does not replace any other hotfixes.
File InformationThe English version of this has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.
After you apply the fix, you will want to return the media that the error occurred on to a free media pool. To configure the media to automatically return to a free media pool, follow these steps:
Date Time Version Size File name
31-Mar-2003 19:15 5.2.3790.2 1,167,872 Ntbackup.exe
29-Mar-2003 02:41 211 Branches.inf
31-Mar-2003 19:31 10,091 Kb817688.cat
31-Mar-2003 19:16 354 Updatebr.inf
31-Mar-2003 19:16 5,164 Update_rtmqfe.inf
- Right-click My Computer, and then click Manage.
- Expand Storage
- Expand Removable Storage.
- Expand Media Pools.
- Right-click the media pool that you want, and then click Properties.
- On the General tab, click to select the Return media to Free media pool check box.
For more information, click the following article numbers to view the articles in the Microsoft Knowledge Base:
Article ID: 817688 - Last Review: May 29, 2008 - Revision: 1