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Values for DOS extended error code

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Value

Description

Hex Dec

---DOS 2.0+ ---

00h

0

no error

01h

1

function number invalid

02h

2

file not found

03h

3

path not found

04h

4

too many open files (no handles available)

05h

5

access denied

06h

6

invalid handle

07h

7

memory control block destroyed

08h

8

insufficient memory

09h

9

memory block address invalid

0Ah

10

environment invalid (usually >32K in length)

0Bh

11

format invalid

0Ch

12

access code invalid

0Dh

13

data invalid

0Eh

14

reserved

0Eh

14

(PTS-DOS 6.51+, S/DOS 1.0+)

fixup overflow

0Fh

15

invalid drive

10h

16

attempted to remove current directory

11h

17

not same device

12h

18

no more files

---DOS 3.0+ (INT 24 errors)---

13h

19

disk write-protected

14h

20

unknown unit

15h

21

drive not ready

16h

22

unknown command

17h

23

data error (CRC)

18h

24

bad request structure length

19h

25

seek error

1Ah

26

unknown media type (non-DOS disk)

1Bh

27

sector not found

1Ch

28

printer out of paper

1Dh

29

write fault

1Eh

30

read fault

1Fh

31

general failure

20h

32

sharing violation

21h

33

lock violation

22h

34

disk change invalid (ES:DI media ID structure) (see #01681)

23h

35

FCB unavailable

23h

35 (PTS-DOS 6.51+, S/DOS 1.0+) bad FAT

24h

36

sharing buffer overflow

25h

37 (DOS 4.0+) code page mismatch

26h

38 (DOS 4.0+) cannot complete file operation (EOF / out of input)

27h

39 (DOS 4.0+) insufficient disk space

28h - 31h

reserved

---OEM network errors (INT 24)---

32h

50 network request not supported

33h

51 remote computer not listening

34h

52 duplicate name on network

35h

53 network name not found

36h

54 network busy

37h

55 network device no longer exists

38h

56 network BIOS command limit exceeded

39h

57 network adapter hardware error

3Ah

58 incorrect response from network

3Bh

59 unexpected network error

3Ch

60 incompatible remote adapter

3Dh

61 print queue full

3Eh

62 queue not full

3Fh

63 not enough space to print file

40h

64 network name was deleted

41h

65 network: Access denied

41h

65 (DOS 3.0+ [maybe 3.3+???]) codepage switching not possible (see also INT 21/AX=6602h,INT 2F/AX=AD42h)

42h

66 network device type incorrect

43h

67 network name not found

44h

68 network name limit exceeded

45h

69 network BIOS session limit exceeded

46h

70 temporarily paused

47h

71 network request not accepted

48h

72 network print/disk redirection paused

49h

73 network software not installed

49h

73 (LANtastic) invalid network version

4Ah

74 unexpected adapter close

4Ah

74 (LANtastic) account expired

4Bh

75 (LANtastic) password expired

4Ch

76 (LANtastic) login attempt invalid at this time

4Dh

77 (LANtastic v3+) disk limit exceeded on network node

4Eh

78 (LANtastic v3+) not logged in to network node

4Fh

79 reserved

---end of errors reportable via INT 24---

50h

80 file exists

51h

81 (undoc) duplicated FCB

52h

82 cannot make directory

5h3

83 fail on INT 24h

---network-related errors (non-INT 24)---

54h

84 (DOS 3.3+) too many redirections / out of structures

55h

85 (DOS 3.3+) duplicate redirection / already assigned

56h

86 (DOS 3.3+) invalid password

57h

87 (DOS 3.3+) invalid parameter

58h

88 (DOS 3.3+) network write fault

59h

89 (DOS 4.0+) function not supported on network / no process slots available

5Ah

90 (DOS 4.0+) required system component not installed / not frozen

5Bh

91 (DOS 4.0+,NetWare4) timer server table overflowed

5Ch

92 (DOS 4.0+,NetWare4) duplicate in timer service table

5Dh

93 (DOS 4.0+,NetWare4) no items to work on

5Fh

95 (DOS 4.0+,NetWare4) interrupted / invalid system call

64h

100 (MSCDEX) unknown error

64h

100 (DOS 4.0+,NetWare4) open semaphore limit exceeded

65h

101 (MSCDEX) not ready

65h

101 (DOS 4.0+,NetWare4) exclusive semaphore is already owned

66h

102 (MSCDEX) no longer valid

66h

102 (DOS 4.0+,NetWare4) semaphore was set when close attempted

67h

103 (MSCDEX) not High Sierra or ISO-9660 format

67h

103 (DOS 4.0+,NetWare4) too many exclusive semaphore requests

68h

104 (MSCDEX) door open

68h

104 (DOS 4.0+,NetWare4) operation invalid from interrupt handler

69h

105 (DOS 4.0+,NetWare4) semaphore owner died

6Ah

106 (DOS 4.0+,NetWare4) semaphore limit exceeded

6Bh

107 (DOS 4.0+,NetWare4) insert drive B: disk into A: / disk changed

6Ch

108 (DOS 4.0+,NetWare4) drive locked by another process

6Dh

109 (DOS 4.0+,NetWare4) broken pipe

6Eh

110 (DOS 5.0+,NetWare4) pipe open/create failed

6Fh

111 (DOS 5.0+,NetWare4) pipe buffer overflowed

70h

112 (DOS 5.0+,NetWare4) disk full

71h

113 (DOS 5.0+,NetWare4) no more search handles

72h

114 (DOS 5.0+,NetWare4) invalid target handle for dup2

73h

115 (DOS 5.0+,NetWare4) bad user virtual address / protection violation

74h

116 (DOS 5.0+,NetWare4) VIOKBD request

74h

116 (DOS 5.0+) error on console I/O

75h

117 (NetWare4) unknown category code for IOCTL

76h

118 (DOS 5.0+,NetWare4) invalid value for verify flag

77h

119 (DOS 5.0+,NetWare4) level four driver not found by DOS IOCTL

78h

120 (DOS 5.0+,NetWare4) invalid / unimplemented function number

79h

121 (DOS 5.0+,NetWare4) semaphore timeout

7Ah

122 (DOS 5.0+,NetWare4) buffer too small to hold return data

7Bh

123 (DOS 5.0+,NetWare4) invalid character or bad file-system name

7Ch

124 (DOS 5.0+,NetWare4) unimplemented information level

7Dh

125 (DOS 5.0+,NetWare4) no volume label found

7Eh

126 (DOS 5.0+,NetWare4) module handle not found

7Fh

127 (DOS 5.0+,NetWare4) procedure address not found

80h

128 (DOS 5.0+,NetWare4) CWait found no children

81h

129 (DOS 5.0+,NetWare4) CWait children still running

82h

130 (DOS 5.0+,NetWare4) invalid operation for direct disk-access handle

83h

131 (DOS 5.0+,NetWare4) attempted seek to negative offset

84h

132 (DOS 5.0+,NetWare4) attempted to seek on device or pipe

---JOIN/SUBST errors---

85h

133 (DOS 5.0+,NetWare4) drive already has JOINed drives

86h

134 (DOS 5.0+,NetWare4) drive is already JOINed

87h

135 (DOS 5.0+,NetWare4) drive is already SUBSTed

88h

136 (DOS 5.0+,NetWare4) can not delete drive which is not JOINed

89h

137 (DOS 5.0+,NetWare4) can not delete drive which is not SUBSTed

8Ah

138 (DOS 5.0+,NetWare4) can not JOIN to a JOINed drive

8Bh

139 (DOS 5.0+,NetWare4) can not SUBST to a SUBSTed drive

8Ch

140 (DOS 5.0+,NetWare4) can not JOIN to a SUBSTed drive

8Dh

141 (DOS 5.0+,NetWare4) can not SUBST to a JOINed drive

8Eh

142 (DOS 5.0+,NetWare4) drive is busy

8Fh

143 (DOS 5.0+,NetWare4) can not JOIN/SUBST to same drive

90h

144 (DOS 5.0+,NetWare4) directory must not be root directory

91h

145 (DOS 5.0+,NetWare4) can only JOIN to empty directory

92h

146 (DOS 5.0+,NetWare4) path is already in use for SUBST

93h

147 (DOS 5.0+,NetWare4) path is already in use for JOIN

94h

148 (DOS 5.0+,NetWare4) path is in use by another process

95h

149 (DOS 5.0+,NetWare4) directory previously SUBSTituted

96h

150 (DOS 5.0+,NetWare4) system trace error

97h

151 (DOS 5.0+,NetWare4) invalid event count for DosMuxSemWait

98h

152 (DOS 5.0+,NetWare4) too many waiting on mutex

99h

153 (DOS 5.0+,NetWare4) invalid list format

9Ah

154 (DOS 5.0+,NetWare4) volume label too large

9Bh

155 (DOS 5.0+,NetWare4) unable to create another TCB

9Ch

156 (DOS 5.0+,NetWare4) signal refused

9Dh

157 (DOS 5.0+,NetWare4) segment discarded

9Eh

158 (DOS 5.0+,NetWare4) segment not locked

9Fh

159 (DOS 5.0+,NetWare4) invalid thread-ID address

-----

A0h

160 (DOS 5.0+) bad arguments

A0h

161 (NetWare4) bad environment pointer

A1h

162 (DOS 5.0+,NetWare4) invalid pathname passed to EXEC

A2h

163 (DOS 5.0+,NetWare4) signal already pending

A3h

163 (DOS 5.0+) uncertain media

A3h

163 (NetWare4) ERROR_124 mapping

A4h

164 (DOS 5.0+) maximum number of threads reached

A4h

164 (NetWare4) no more process slots

A5h

165 (NetWare4) ERROR_124 mapping

B0h

176 (MS-DOS 7.0) volume is not locked

B1h

177 (MS-DOS 7.0) volume is locked in drive

B2h

178 (MS-DOS 7.0) volume is not removable

B4h

180 (MS-DOS 7.0) lock count has been exceeded

B4h

180 (NetWare4) invalid segment number

B5h

181 (MS-DOS 7.0) a valid eject request failed

B5h

181 (DOS 5.0-6.0,NetWare4) invalid call gate

B6h

182 (DOS 5.0+,NetWare4) invalid ordinal

B7h

183 (DOS 5.0+,NetWare4) shared segment already exists

B8h

184 (DOS 5.0+,NetWare4) no child process to wait for

B9h

185 (DOS 5.0+,NetWare4) NoWait specified and child still running

BAh

186 (DOS 5.0+,NetWare4) invalid flag number

BBh

187 (DOS 5.0+,NetWare4) semaphore does not exist

BCh

188 (DOS 5.0+,NetWare4) invalid starting code segment

BDh

189 (DOS 5.0+,NetWare4) invalid stack segment

BEh

190 (DOS 5.0+,NetWare4) invalid module type (DLL can not be used as application)

BFh

191 (DOS 5.0+,NetWare4) invalid EXE signature

C0h

192 (DOS 5.0+,NetWare4) EXE marked invalid

C1h

193 (DOS 5.0+,NetWare4) bad EXE format (e.g. DOS-mode program)

C2h

194 (DOS 5.0+,NetWare4) iterated data exceeds 64K

C3h

195 (DOS 5.0+,NetWare4) invalid minimum allocation size

C4h

196 (DOS 5.0+,NetWare4) dynamic link from invalid Ring

C5h

197 (DOS 5.0+,NetWare4) IOPL not enabled

C6h

198 (DOS 5.0+,NetWare4) invalid segment descriptor privilege level

C7h

199 (DOS 5.0+,NetWare4) automatic data segment exceeds 64K

C8h

200 (DOS 5.0+,NetWare4) Ring2 segment must be moveable

C9h

201 (DOS 5.0+,NetWare4) relocation chain exceeds segment limit

CAh

202 (DOS 5.0+,NetWare4) infinite loop in relocation chain

CBh

203 (NetWare4) environment variable not found

CCh

204 (NetWare4) not current country

CDh

205 (NetWare4) no signal sent

CEh

206 (NetWare4) file name not 8.3

CFh

207 (NetWare4) Ring2 stack in use

D0h

208 (NetWare4) meta expansion is too long

D1h

209 (NetWare4) invalid signal number

D2h

210 (NetWare4) inactive thread

D3h

211 (NetWare4) file system information not available

D4h

212 (NetWare4) locked error

D5h

213 (NetWare4) attempted to execute non-family API call in DOS mode

D6h

214 (NetWare4) too many modules

D7h

215 (NetWare4) nesting not allowed

E6h

230 (NetWare4) non-existent pipe, or bad operation

E7h

231 (NetWare4) pipe is busy

E8h

232 (NetWare4) no data available for nonblocking read

E9h

233 (NetWare4) pipe disconnected by server

EAh

234 (NetWare4) more data available

FFh

255 (NetWare4) invalid drive

Note:

There is a report that some Microsoft documentation shifts all DOS error codes in the range BCh (188) through CAh (202) up by one compared to what is listed here; that is probably a documentation error.

See Also:

#01682,#01683,#01684,#01961