I am having problems backing up photos to a CD-R. After the backup session is completed, I get an error message that reads:
An error occurred while verifying the files were successfully written to the CD. Incorrect Function
Any thoughts?
jdmaertz Hatchling 1 post Joined Dec 2006 More info | Dec 14, 2006 04:47 | #1 I am having problems backing up photos to a CD-R. After the backup session is completed, I get an error message that reads:
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TeeJay Goldmember  3,834 posts Likes: 4 Joined Jun 2005 Location: Warwickshire - UK More info | Dec 14, 2006 05:24 | #2 It would certainly appear that there is an error in the data recorded. 1DsMkIII | 1DMkIIN | 70-200 f/2.8L IS | 24-70 f/2.8L | 24-105 f/4L IS | 17-40 f/4L | 50 f/1.2L | WFT-E1 & E2 Transmitters - Click Here for setup advice | CP-E4 Battery Pack x 2 | ST-E2 | 580EX | 550EX | 430EXII | 420EX | Tripod + monopod | Bowens Esprit Gemini 500W/s heads & Travel-Pak | All this gear - and still no idea
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Jon Cream of the Crop  69,628 posts Likes: 227 Joined Jun 2004 Location: Bethesda, MD USA More info | Dec 14, 2006 11:55 | #3 How are you making the backup? and do you have, say, MS Raw viewer Power Toy installed? I've found that some of the supplementary data files (thumbs.db, zbthumb.info, etc.) may change or get updated while you're making the backup and thus not match what got burned to the CD when the verification pass is finished. Jon
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TeeJay Goldmember 3,834 posts Likes: 4 Joined Jun 2005 Location: Warwickshire - UK More info | Dec 15, 2006 03:58 | #4 Jon makes a good point. Why not try switching off the verification, then just manualy checking the CD when it's finished? 1DsMkIII | 1DMkIIN | 70-200 f/2.8L IS | 24-70 f/2.8L | 24-105 f/4L IS | 17-40 f/4L | 50 f/1.2L | WFT-E1 & E2 Transmitters - Click Here for setup advice | CP-E4 Battery Pack x 2 | ST-E2 | 580EX | 550EX | 430EXII | 420EX | Tripod + monopod | Bowens Esprit Gemini 500W/s heads & Travel-Pak | All this gear - and still no idea
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20D-Newbe Member 35 posts Joined Jul 2005 Location: Oxfordshire/Wiltshire - UK More info | Just a small point - I though that the verification did not do a bit for bit comparison – but just a check from the media (i.e. if the data can be read from the CD). Andy
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TeeJay Goldmember 3,834 posts Likes: 4 Joined Jun 2005 Location: Warwickshire - UK More info | Dec 15, 2006 04:21 | #6 Yes, but if Jon is correct, it is simply checking & comparing file dates/sizes, in which case that might be throwing it.(?) 1DsMkIII | 1DMkIIN | 70-200 f/2.8L IS | 24-70 f/2.8L | 24-105 f/4L IS | 17-40 f/4L | 50 f/1.2L | WFT-E1 & E2 Transmitters - Click Here for setup advice | CP-E4 Battery Pack x 2 | ST-E2 | 580EX | 550EX | 430EXII | 420EX | Tripod + monopod | Bowens Esprit Gemini 500W/s heads & Travel-Pak | All this gear - and still no idea
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Jon Cream of the Crop 69,628 posts Likes: 227 Joined Jun 2004 Location: Bethesda, MD USA More info | Dec 16, 2006 09:38 | #7 20D-Newbe wrote in post #2402725  Just a small point - I though that the verification did not do a bit for bit comparison – but just a check from the media (i.e. if the data can be read from the CD). Depends on what application you're using. Which is why I asked. Some check readability, som compare files, some compare directory entries. Jon
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As well as what software you are using it would probably help if you listed step by step how you are doing it. An auto function or walking through a wizard or some type of manual backup. 7D MKII ■ 10-22 ■ 15-85 ■ 28-135 ■ Σ 50-150 ■ 70-200 f4L ■ 100-400L ■ 580EX II
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