Receive data ACK error

Bes · Dec 20, 2015

Hallo guys
hear is the problem
After long try to make my dc-2cd2032f-i speak English again i just gave-up and decide to stay with two cameras ,one the same dc-2cd2032f-i(lucky one) and my second model DS-2CD2342WD-I.Starting with DS-2CD2342WD-I i plug it in and .........i saw TFTp Tekst sayng
[2015-12-20 09:57:10] Device[192.0.0.64] test tftpserver

[2015-12-20 09:57:14] Connect client[192.0.0.64] success

[2015-12-20 09:57:14] Connect client[192.0.0.64] success

[2015-12-20 09:57:14] Connect client[192.0.0.64] success

[2015-12-20 09:57:14] Connect client[192.0.0.64] success

[2015-12-20 09:57:14] Connect client[192.0.0.64] success

[2015-12-20 09:57:14] Start file[C:\Users\emma\Desktop\5.30 Downgrader\digicap.dav] transmitting

[2015-12-20 09:57:14] Start file[C:\Users\emma\Desktop\5.30 Downgrader\digicap.dav] transmitting

[2015-12-20 09:57:14] Start file[C:\Users\emma\Desktop\5.30 Downgrader\digicap.dav] transmitting

[2015-12-20 09:57:14] Start file[C:\Users\emma\Desktop\5.30 Downgrader\digicap.dav] transmitting

[2015-12-20 09:57:14] Start file[C:\Users\emma\Desktop\5.30 Downgrader\digicap.dav] transmitting

[2015-12-20 09:57:14] Receive data ACK error

[2015-12-20 09:57:14] Receive data ACK error

[2015-12-20 09:57:14] Receive data ACK error

[2015-12-20 09:57:14] Receive data ACK error

What i stupid have done is forget to shuting down a FfTp program(( After dat i just try to update the cam with the good one and after some tries i have this:
TFTP server[192.0.0.128] initialized

[2015-12-20 13:31:19] Device[192.0.0.64] test tftpserver

[2015-12-20 13:31:23] Connect client[192.0.0.64] success

[2015-12-20 13:31:23] Start file[C:\Users\emma\Desktop\5.30 Downgrader\digicap.dav] transmitting

[2015-12-20 13:31:41] Completed file[C:\Users\emma\Desktop\5.30 Downgrader\digicap.dav] transmit

[2015-12-20 13:31:57] Device[192.0.0.64] system update completed!
Only now i can see the cam in SADP with 192.168.1.64 ip adress and i can't change that.I try already 12345,12345abc password's and with IVMS but nothing.My cam is:
DS-2CD2342WD-I sv: V5.3.3 150630 I already look on the forum and try everything but nothing help.

Bes · Dec 20, 2015

All so i tried update it again and it's going good but one one time i again receive the error message again data ACK error

whoslooking · Dec 20, 2015

For recovery use the original not the 4 line version of the downgrader.

Bes · Dec 20, 2015

whoslooking said:
For recovery use the original not the 4 line version of the downgrader.

I am very sorry but what you exactly mean with 4 line?

alastairstevenson · Dec 20, 2015

The patched version of the downgrader that in addition raises the 1-line limit of 'line crossing detection' to a 4 line capability.
Some people have found that the 4-line version has problems on their camera - the original 1-line version can work better.

Bes · Dec 21, 2015

alastairstevenson said:
The patched version of the downgrader that in addition raises the 1-line limit of 'line crossing detection' to a 4 line capability.
Some people have found that the 4-line version has problems on their camera - the original 1-line version can work better.

First thank's for your reply but can you send my a link where i can download the 1 line version? How can i see that one is the good one?

whoslooking · Dec 21, 2015

Use this one

https://www.dropbox.com/s/3hy72q4osstun72/5.30 Downgrader.rar?dl=0

sash83 · Jun 6, 2016

Bes said:
Hallo guys
hear is the problem
After long try to make my dc-2cd2032f-i speak English again i just gave-up and decide to stay with two cameras ,one the same dc-2cd2032f-i(lucky one) and my second model DS-2CD2342WD-I.Starting with DS-2CD2342WD-I i plug it in and .........i saw TFTp Tekst sayng
[2015-12-20 09:57:10] Device[192.0.0.64] test tftpserver

[2015-12-20 09:57:14] Connect client[192.0.0.64] success

[2015-12-20 09:57:14] Connect client[192.0.0.64] success

[2015-12-20 09:57:14] Connect client[192.0.0.64] success

[2015-12-20 09:57:14] Connect client[192.0.0.64] success

[2015-12-20 09:57:14] Connect client[192.0.0.64] success

[2015-12-20 09:57:14] Start file[C:\Users\emma\Desktop\5.30 Downgrader\digicap.dav] transmitting

[2015-12-20 09:57:14] Start file[C:\Users\emma\Desktop\5.30 Downgrader\digicap.dav] transmitting

[2015-12-20 09:57:14] Start file[C:\Users\emma\Desktop\5.30 Downgrader\digicap.dav] transmitting

[2015-12-20 09:57:14] Start file[C:\Users\emma\Desktop\5.30 Downgrader\digicap.dav] transmitting

[2015-12-20 09:57:14] Start file[C:\Users\emma\Desktop\5.30 Downgrader\digicap.dav] transmitting

[2015-12-20 09:57:14] Receive data ACK error

[2015-12-20 09:57:14] Receive data ACK error

[2015-12-20 09:57:14] Receive data ACK error

[2015-12-20 09:57:14] Receive data ACK error

What i stupid have done is forget to shuting down a FfTp program(( After dat i just try to update the cam with the good one and after some tries i have this:
TFTP server[192.0.0.128] initialized

[2015-12-20 13:31:19] Device[192.0.0.64] test tftpserver

[2015-12-20 13:31:23] Connect client[192.0.0.64] success

[2015-12-20 13:31:23] Start file[C:\Users\emma\Desktop\5.30 Downgrader\digicap.dav] transmitting

[2015-12-20 13:31:41] Completed file[C:\Users\emma\Desktop\5.30 Downgrader\digicap.dav] transmit

[2015-12-20 13:31:57] Device[192.0.0.64] system update completed!
Only now i can see the cam in SADP with 192.168.1.64 ip adress and i can't change that.I try already 12345,12345abc password's and with IVMS but nothing.My cam is:
DS-2CD2342WD-I sv: V5.3.3 150630 I already look on the forum and try everything but nothing help.

Hi all. I have the same problem with the firmware for DS-2CD4A35FWD-IZ V5.3.7_151208 (from China)
I accidentally made firmware downgrade (TFTP) to V5.3.0
Also I saw TFTP log:
[2016-06-02 21:53:54] Completedfile[D:\tftp\digicap.dav] transmit
[2016-06-02 21:59:46] TFTP server[192.0.0.128]initialized
[2016-06-02 21:59:56] Device[192.0.0.64] testtftpserver
[2016-06-02 22:00:01] Connect client[192.0.0.64]success
[2016-06-02 22:00:01] Connect client[192.0.0.64]success
[2016-06-02 22:00:01] Startfile[D:\tftp\digicap.dav] transmitting
[2016-06-02 22:00:01] Connect client[192.0.0.64]success
[2016-06-02 22:00:01] Connect client[192.0.0.64]success
[2016-06-02 22:00:01] Startfile[D:\tftp\digicap.dav] transmitting
[2016-06-02 22:00:01] Connect client[192.0.0.64]success
[2016-06-02 22:00:01] Startfile[D:\tftp\digicap.dav] transmitting
[2016-06-02 22:00:01] Start file[D:\tftp\digicap.dav]transmitting
[2016-06-02 22:00:01] Receive data ACK error
[2016-06-02 22:00:01] Startfile[D:\tftp\digicap.dav] transmitting
[2016-06-02 22:00:01] Receive data ACK error
[2016-06-02 22:00:01] Receive data ACK error
[2016-06-02 22:00:01] Receive data ACK error
[2016-06-02 22:00:52] Completedfile[D:\tftp\digicap.dav] transmit

But message like "Device[192.0.0.64] system update completed!" did not appear.
I waited about an hour, but the message does not appear
Аfter the restart after 15 minutes i can see the cam in SADP with 192.168.1.64 ip address Soft Ver.: V.4.0.8build 151110,
but web access does not work. I can change ip address in SADP, save it, but after reboot the cam still in SADP with 192.168.1.64 ip address
I tried with different firmware versions, but it still no result. I receive an error when updating (TFTP) "Receive data ACK error"

whoslooking · Jun 6, 2016

Use hik tools to change the region on the downgrader and give that a try.

sash83 · Jun 6, 2016

whoslooking said:
Use hik tools to change the region on the downgrader and give that a try.

I sorry, just starting to learn software. Which hik tools should I use?

whoslooking · Jun 6, 2016

The hiktools and the downgrader are both in the sticky section.

sash83 · Jun 7, 2016

I downloaded "5.30 Downgrader 4lines" from https://www.ipcamtalk.com/showthread.php/4036-Custom-Firmware-Downgrader-5-3-0-Chinese-to-5-2-5-English
and hiktools05R1.rar , put hiktools.exe in TFTP folder.
According instruction i typed in cmd d:/tftp/hiktools digicap.dav
and got error:
HIK firmware header converter 0.5R
Unable to open dav file

What am I doing wrong

whoslooking said:
Use hik tools to change the region on the downgrader and give that a try.

alastairstevenson · Jun 7, 2016

According instruction i typed in cmd d:/tftp/hiktools digicap.dav

That suggests that either your current directory is not 'tftp' or 'digicap.dav' is not in the tftp directory.
d:
cd /tftp
hiktools05r1 digicap.dav

Oh, and the original '1-line' version is likely to work better.

sash83 · Jun 7, 2016

alastairstevenson said:
That suggests that either your current directory is not 'tftp' or 'digicap.dav' is not in the tftp directory.
d:
cd /tftp
hiktools05r1 digicap.dav

Oh, and the original '1-line' version is likely to work better.

Thanks. After that I have:

Magic number : 0x484B5753
iHeaderCheckSum : 0x0000CB4F [52047]
iHeadTotalLen : 0x000004E4 [1252]
iFileNum : 0x0000001B [27]
iLanguage : 0x00000002 [2] CN
iDeviceClass : 0x00000002
iOEMCode : 0x00000001
iFirmwareVer : 0xFFFFFFFF
iFeature: 0x01302DF0
Calculated CheckSum : 0x0000CB4F [52047]

According instruction:

An important value to check in the summary of key values is that the ‘magic number’ is ‘0x484B5753’ and that the iLanguage value is 1 or 2 The iHeadTotalLen varies with the number of files in the main section of the firmware update file. The value is 64 bytes plus 44 bytes x (the number of files held in the main section). This can be 108 for NVR firmware that typically has a single CRAMFS image, and 1208 for camera firmware holding 26 files. This should give a reasonable confidence level that the file is in a format that can be decoded. If the results do not match these values – DO NOT PROCEED further.

After that
Can I run hiktools05r1 digicap.dav 1 and upgrade the firmware (TFTP) with these values?

Sorry for my carelessness.

I have tried to change lang in both downgrader firmwares (hiktools lang digicap.dav 1) and updated them,
but TFTP log on both still with error:
[2016-06-07 15:05:23] TFTP server[192.0.0.128] initialized
[2016-06-07 15:05:36] Device[192.0.0.64] test tftpserver
[2016-06-07 15:05:41] Connect client[192.0.0.64] success
[2016-06-07 15:05:41] Start file[D:\tftp\digicap.dav] transmitting
[2016-06-07 15:05:41] Connect client[192.0.0.64] success
[2016-06-07 15:05:41] Start file[D:\tftp\digicap.dav] transmitting
[2016-06-07 15:05:41] Connect client[192.0.0.64] success
[2016-06-07 15:05:41] Start file[D:\tftp\digicap.dav] transmitting
[2016-06-07 15:05:41] Connect client[192.0.0.64] success
[2016-06-07 15:05:41] Start file[D:\tftp\digicap.dav] transmitting
[2016-06-07 15:05:41] Connect client[192.0.0.64] success
[2016-06-07 15:05:41] Start file[D:\tftp\digicap.dav] transmitting
[2016-06-07 15:05:41] Receive data ACK error
[2016-06-07 15:05:41] Receive data ACK error
[2016-06-07 15:05:41] Receive data ACK error
[2016-06-07 15:05:41] Receive data ACK error
[2016-06-07 15:06:19] Completed file[D:\tftp\digicap.dav] transmit

but the message "Device[192.0.0.64] system update completed!" still does not appear.

Any some ideas?

alastairstevenson · Jun 7, 2016

[2016-06-07 15:05:41] Start file[D:\tftp\digicap.dav] transmitting
[2016-06-07 15:05:41] Connect client[192.0.0.64] success
[2016-06-07 15:05:41] Start file[D:\tftp\digicap.dav] transmitting
[2016-06-07 15:05:41] Receive data ACK error
[2016-06-07 15:05:41] Receive data ACK error
[2016-06-07 15:05:41] Receive data ACK error
[2016-06-07 15:05:41] Receive data ACK error

These entries suggest that the network connection to your camera is unreliable.
Multiple 'connect client' suggests the connection is dropping - data ACK error suggests data corruption during transmission.
By any chance is the camera or PC connected via WiFi? If so - a wired connection would be best.

Have SADP running and periodically refresh it after 'Completed file' has occurred.
After maybe 5 mins for the firmware to be written, power-cycle the camera.
Even with the wrong firmware, SADP would find the camera if it's in the 'min-system recovery mode' with firmware version showing as 4.0.8

sash83 · Jun 7, 2016

alastairstevenson said:
These entries suggest that the network connection to your camera is unreliable.
Multiple 'connect client' suggests the connection is dropping - data ACK error suggests data corruption during transmission.
By any chance is the camera or PC connected via WiFi? If so - a wired connection would be best.

Have SADP running and periodically refresh it after 'Completed file' has occurred.
After maybe 5 mins for the firmware to be written, power-cycle the camera.
Even with the wrong firmware, SADP would find the camera if it's in the 'min-system recovery mode' with firmware version showing as 4.0.8

My laptop and Camera connected via switch. Only these device plugged in switch. Other network interfaces are disconnected.
I tried with other switches and PCs, but it did not give result.
Can the camera itself be connected to an unsecured network?

ps. the camera has a slot for flash card, button and 4 pin connector
Is it reset button?

whoslooking · Jun 7, 2016

Yes it's a reset but, yes to an unsecured network.
How are you powering the camera? As low power can also cause issues.

sash83 · Jun 7, 2016

whoslooking said:
Yes it's a reset but, yes to an unsecured network.
How are you powering the camera? As low power can also cause issues.

I connect the camera to the power supply via POE adapter.
But last one, I tried supply it via AC adapter DC 12V 1.5A
Also, I tried connect network via switch and direct to PC.
The result remained the same

sash83 · Jun 7, 2016

updated
I tried to connect to another PC in network card.
Run tftpserv.exe with this https://www.dropbox.com/s/3hy72q4osstun72/5.30 Downgrader.rar?dl=0
and this https://www.dropbox.com/s/ph292l0lbitebz2/5.30 Downgrader 4lines.rar?dl=0 firmwares
TFTP log without errors:

[2016-06-07 22:32:53] Device[192.0.0.64] test tftpserver
[2016-06-07 22:33:02] Connect client[192.0.0.64] success
[2016-06-07 22:33:02] Start file[C:\tftp\digicap.dav] transmitting
[2016-06-07 22:33:11] Completed file[C:\tftp\digicap.dav] transmit

but "Device[192.0.0.64] system update completed!" still does not apear

I do not know what to do...

whoslooking · Jun 7, 2016

You have to use hikvision tftp program not tftpserv

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