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The length of the device name provided exceeds supported limit (maximum length is:259). Reissue the BACKUP statement with a valid device name.

Posted on 2010-08-30
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Last Modified: 2012-05-10
Hello,

How can I resolve this error : The length of the device name provided exceeds supported limit (maximum length is:259). Reissue the BACKUP statement with a valid device name.
Thanks

Regards

bibi
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Question by:bibi92
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Cluskitt earned 250 total points
ID: 33556870
It would help if you would post the backup statement. Just from that, it seems that your device name is over 259 characters, which would trigger the error. If your device name really is over 259 characters, renaming it to a shorter string would be the way to go.
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Assisted Solution

by:graye
graye earned 250 total points
ID: 33558121
I suspect that the backup file is on a network share (that's typically where  you run into PATH_TOO_LONG errors).   If so, then you can shorten the path by temporarily creating another share that "deeper" into the directory structure.   For example:
Before:  Drive N: might be mapped to \\server\share
After: Drive N: can be mapped to \\server\share\path1\path2\path3
Am I making sense?
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Author Closing Comment

by:bibi92
ID: 33559889
Thanks, I have modified this line on the script :
SET @CurrentDirectory = @Directory -- + CASE WHEN RIGHT(@Directory,1) = '\' THEN '' ELSE '\' END + REPLACE(CAST(SERVERPROPERTY('servername') AS nvarchar),'\','$') + '\' + @CurrentDatabaseFS + '\' + UPPER(@CurrentBackupType)
Regards

bibi
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