| Event Id | 120 |
| Source | Removable Storage Service |
| Description | RSM could not Verify the media in drive Drive 5 of library library name because the o-media-identifier did not match what was expected. |
| Event Information | According to Microsoft : CAUSE This problem occurs because Removable Storage is looking for a file that has been removed. When Removable Storage tries to load a media label library file, Removable Storage cannot recognize the on-media identifier (OMID) on the tape device. Removable Storage does not recognize the OMID because the media label library file has been removed from the registry. When you install ARCserve software, the software installation process registers a media label library file with Removable Storage. A media label library file is a .dll file that uses a specific tape format to identify the data that is written on a tape device. When you use a tape device that is formatted by using ARCserve software, Removable Storage uses the media label library file to recognize the OMID on the tape device. If you try to use the tape device after the ARCserve software has been removed, Removable Storage still refers to the media label library registry entry. Removable Storage still tries to use the .dll file that has been removed to recognize the OMID on the tape device. RESOLUTIONTo resolve this problem, remove the media label library registry entry that is associated with the ARCserve software. |
| Reference Links | Extensible Storage Engine Event IDs 474 Are Logged When You Try to Back Up the Information Store Database. |
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