MS-DOS extended errors

Updated: 07/13/2023 by Computer Hope
DEC HEX Description
00 00h No error.
01 01h Function number invalid.
02 02h File not found.
03 03h Path not found.
04 04h Too many open tiles (no file handles available).
05 05h Access denied.
06 06h Invalid handle.
07 07h Memory control block destroyed.
08 08h Insufficient memory.
09 09h Memory block address invalid.
10 0Ah Environment invalid (usually >32k in length).
11 0Bh Format invalid.
12 0Ch Access code invalid.
13 0Dh Data invalid.
14 0Eh Reserved.
15 0Fh Invalid drive.
16 10h Attempted to remove current directory.
17 11h Not same device.
18 12h No more tiles.
19 13h Disk write-protected.
20 14h Unknown unit.
21 15h Drive not ready.
22 16h Unknown command.
23 17h Data error — CRC (cyclic redundancy check) failed.
24 18h Bad request structure length.
25 19h Seek error.
26 1Ah Unknown media type (non-DOS disk).
27 1Bh Sector not found.
28 1Ch Printer out of paper.
29 1Dh Write fault.
30 1Eh Read fault.
31 1Fh General failure.
32 20h Sharing violation.
33 21h Lock violation.
34 22h Disk change invalid.
35 23h FCB (File Control Block) unavailable.
36 24h Sharing buffer invalid.
37 25h (DOS 4+) code page mismatch.
38 26h (DOS 4+) cannot complete file operation (out of input).
39 27h (DOS 4+) insufficient disk space.
40 28h Reserved.
41 29h Reserved.
42 2Ah Reserved.
43 2Bh Reserved.
44 2Ch Reserved.
45 2Dh Reserved.
46 2Eh Reserved.
47 2Fh Reserved.
48 30h Reserved.
49 31h Reserved.
50 32h Network request not supported.
51 33h Remote computer not listening.
52 34h Duplicate name on network.
53 35h Network name not found.
54 36h Network busy.
55 37h Network device no longer exists.
56 38h Network BIOS (basic input/output system) command limit exceeded.
57 39h Network adapter hardware error.
58 3Ah Incorrect response from network.
59 3Bh Unexpected network error.
60 3Ch Incompatible remote adapter.
61 3Dh Print queue full.
62 3Eh Queue not full.
63 3Fh Not enough space to print file.
64 40h Network name was deleted.
65 41h Network access denied.
66 42h Network device type incorrect.
67 43h Network name not found.
68 44h Network name limit exceeded.
69 45h Network BIOS session limit exceeded.
70 46h Temporarily paused.
71 47h Network request not accepted.
72 48h Network print and disk redirection paused.
73 49h (LANtastic) invalid network version.
74 4Ah (LANtastic) account expired.
75 4Bh (LANtastic) password expired.
76 4Ch (LANtastic) login attempted invalid at this time.
77 4Dh (LANtastic) disk limit exceed on network node.
78 4Eh (LANtastic) not logged in to network node.
79 4Fh Reserved.
80 50h File exists.
81 51h Reserved.
82 52h Cannot make directory.
83 53h Fail on INT 24h.
84 54h (DOS 3.3+) too many redirections.
85 55h (DOS 3.3+) duplicate redirection.
86 56h (DOS 3.3+) invalid password.
87 57h (DOS 3.3+) invalid parameter.
88 58h (DOS 3.3+) network write fault.
89 59h (DOS 4+) function not supported on network.
90 5Ah (DOS 4+) required system component not installed.