In this article we will list common error codes in iVMS-4500 Hikvision app and how to address and fix these issues. iVMS-4500 is an app made by Hikvison which allows the users to view their Hikvision surveillance cameras remotely (or locally) directly through their smartphones. For each error code we will list the possible reasons and the possible solutions. Read carefully and follow each step.

1. iVMS-4500 error code 43

Possible reasons
1. Invalid IP address or domain name
2. Third-party device
3. IP address or port number analysed by HiDDNS is not correct.

Solutions for iVMS-4500 error code 43
1. Make sure the IP address or domain name is valid.
2. Make sure that the device is Hikvision product.
3. Check if the IP address or port number is correct on hik-online.com.

2. iVMS-4500 error code 55

Possible reasons
Phone’s IP address does not belong to the authorized IP addresses in the device’s setting. Users probably have configured in the device to allow only some certain IP addresses to access.

Solutions for iVMS-4500 error code 55
Please check in Configuration > Advanced configuration > Security > IP address filter, whether you have enabled IP address filter or not. Also check on local menu if the account can be accessed by a certain IP address: Menu > Configuration > User > Edit.

3. iVMS-4500 error code 56

Possible reasons
Users probably have configured to only allow certain MAC addresses to log in.

Solutions for iVMS-4500 error code 56
Check on local menu if the account can be accessed by a certain MAC address: Menu > Configuration > User > Edit.

4. iVMS-4500 error code 73

Possible reasons
The issue might be caused by incorrect setting of the port forwarding.

Solutions for iVMS-4500 error code 73
1. How to open the ports for Hikvision recorders?
2. How to add device into Hik-Connect account
3. How to enable P2P (Hik-Connect) on Hikvision devices

5. iVMS-4500 error code 153

Possible reasons
The user name is locked. Too many times of password failure cause the user name to be locked.

Solutions for iVMS-4500 error code 153
Reset the device. Or wait for 30 minutes. If the IP is locked, you can use another laptop with a different IP address and go to remote configuration > system > login security to unlock the locked IP.

6. iVMS-4500 error code 340015

Possible reasons
It means connection to server failed.

Solutions for iVMS-4500 error code 340015
Contact your reseller or the Hikvision team (via their website or phone).