DOS error Codes

Of the following error codes, only error codes 1-12 are returned in AX upon exit from interrupt 21 or 24; The rest are obtained by issuing the “get extended error” function call; see Int 0x21,0x59

00 No Error
01 Invalid function number
02 File not found
03 Path not found
04 Too many open files (no handles left)
05 Access denied
06 Invalid handle
07 Memory control blocks destroyed
08 Insufficient memory
09 Invalid memory block address
0A Invalid environment
0B Invalid format
0C Invalid access mode (open mode is invalid)
0D Invalid data
0E Reserved
0F Invalid drive specified
10 Attempt to remove current directory
11 Not same device
12 No more files
13 Attempt to write on a write-protected diskette
14 Unknown unit
15 Drive not ready
16 Unknown command
17 CRC error
18 Bad request structure length
19 Seek error
1A Unknown media type
1B Sector not found
1C Printer out of paper
1D Write fault
1E Read fault
1F General failure
20 Sharing violation
21 Lock violation
22 Invalid disk change
23 FCB unavailable
24 Sharing buffer overflow
25 Reserved
26 Unable to complete file operation (DOS 4.x)
27-3 1 Reserved
32 Network request not supported
33 Remote computer not listening
34 Duplicate name on network
35 Network name not found
36 Network busy
37 Network device no longer exists
38 NetBIOS command limit exceeded
39 Network adapter error
3A Incorrect network response
3B Unexpected network error
3C Incompatible remote adapter
3D Print queue full
3E No space for print file
3F Print file deleted
40 Network name deleted
41 Access denied
42 Network device type incorrect
43 Network name not found
44 Network name limit exceeded
45 NetBIOS session limit exceeded
46 Temporarily paused
47 Network request not accepted
48 Print or disk redirection is paused
49-4 F Reserved
50 File already exists
51 Reserved
52 Cannot make directory entry
53 Fail on INT 24
54 Too many redirections
55 Duplicate redirection
56 Invalid password
57 Invalid parameter
58 Network device fault
59 Function not supported by network (DOS 4.x)
5A Required system component not installed (DOS 4.x)
Error Classes
01 Out of resource, out of space, channel, etc
02 Temporary situation, not an error, ex: file lock
03 Authorization, permission denied
04 Internal, system detected internal error
05 Hardware failure, serious problem related to hardware
06 System failure, ex: invalid configuration
07 Application error, inconsistent request
08 Not found, file/item not found
09 Bad format, file/item in invalid format
0A Locked, file/item interlocked
0B Media failure, ECC/CRC error, wrong or bad disk
0C Already exists, collision with existing item
0D Unknown, classification doesn't exist or is inappropriate
Error Action Codes (in BL)
01 retry, attempt a few more times and re-prompt
02 delay retry, retry a few more times after a pause
03 re-enter input, prompt user to re-enter input
04 abort with cleanup, orderly abort and shutdown
05 immediate abort, exit immediately without cleanup
06 ignore error
07 user intervention, retry after user fixes the problem
Error Locus (in CH)
01 unknown
02 block device
03 network
04 serial device
05 memory
  • back2root/ibm-pc-ms-dos/hardware/informations/dos_error_code.txt
  • Dernière modification : 2023/01/16 17:54
  • de frater