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AP7922: Error: The application was not able to load.

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laman_apc
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AP7922: Error: The application was not able to load.

This was originally posted on APC forums on 3/23/2017


I am getting 'Error: The application was not able to load' when I tried to access it after updating the firmware with apc_hw02_aos392 package using SCP method.The SCP method seemed to be successful. apc_hw02_aos_392.bin and apc_hw02_rpdu_392.bin were copied acroos, and the PDU rebooted automatically after each of the 2 .bin files. Unfortunately the GUI interface was not accessible.

Below is the hardware details:

Hardware Factory

Model Number:     AP7922
Serial Number:     ZA1302010923
Hardware Revision:     B2
Manufacture Date:     01/11/2013
MAC Address:     00 C0 B7 99 E0 EF
Management Uptime:     49 Days 23 Hours 32 Minutes
     
Application Module
Name:     rpdu
Version:     v3.7.4
Date:     03/13/2012
Time:     16:16:54


APC OS (AOS)
Name:     aos
Version:     v3.7.4
Date:     11/09/2011
Time:     11:45:09

Using the upgrd_util.exe in the apc_hw02_aos392 package, it failed with 'Firmware download failed'.

*************************

C:\Users\apc\Desktop\apc_hw02_aos392>upgrd_util.exe
NMC Upgrade Tool v1.2


American Power Conversion               Network Management Card AOS    v3.9.2
(c) Copyright 2004 All Rights Reserved  Rack PDU APP                   v3.9.2
-----------------------------------------------------------------------------
        Configuration detected ( iplist.txt ).
        Found 1 upgrade configuration(s)

        1:  Use parameters in configuration file
        2:  Enter new parameters for single upgrade
        3:  Exit Firmware upgrade tool
        Action: 1

        ***************************************************
        Starting Upgrade to 192.168.50.51.
        Checking network connection ...                  OK
        Testing login ...                                OK
        Checking version information ...                 OK
        Attempting to log in to 192.168.50.51 ...         OK
        Loading OS, please wait ...     Firmware download failed.
        Attempting to log in to 192.168.50.51 ...
        Could not log in to 192.168.50.51.

        *********** Upgrade Summary ***********

        Encountered 1 failures during upgrade.
        View 'result.txt' for details
        Warning: A file called 'iplist.txt' exists in this directory
        that may contain user names and passwords in clear text.
        You may want to delete this file if other users have access
        to this directory.


        Thank you for using APC products

        Press to exit.

*************************

Using the ftp method. There was not a single hash showing up in 10 minutes, so I have to abort it.

C:\Users\apc\Desktop\apc_hw02_aos392>ftp 192.168.50.51
Connected to 192.168.50.51.
220 AP7922 Network Management Card AOS v3.7.4 FTP server ready.
User (192.168.50.51:(none)): apc
331 User name okay, need password.
Password:
230 User logged in, proceed.
ftp> bin
200 TYPE Command okay.
ftp> hash
Hash mark printing On  ftp: (2048 bytes/hash mark) .
ftp> put apc_hw02_aos_392.bin
200 PORT Command okay.
150 File status okay; about to open data connection.
Aborting any active data connections...
425 STOR can't open data connection.
ftp>

Anyone has any idea what to do next? Thanks.


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laman_apc
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Re: AP7922: Error: The application was not able to load.

This was originally posted on APC forums on 3/27/2017


Hi Angela,

I managed to upload rpdu 3.7.4 successfully and am able to login through the GUI now. Many thanks for your assistance.

Will try to upgrade to 3.9.2 again soon.

See Answer In Context

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BillP
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Re: AP7922: Error: The application was not able to load.

This reply was originally posted by Angela on APC forums on 3/23/2017


Hi Antonio,

Based on what you've shared, I would try rebooting the PDU's management interface and then re-try the manual FTP push. If you were not aware, this reboot does not affect outlet status on the PDU.

You'll need to do this through the Telnet (or SSH) interface with the web being inaccessible. Log in via Telnet or SSH and then go to the System Menu->Tools->Reboot Management Interface and you'll have to type YES to confirm that. Then, let the PDU reboot and you can see if the web interface comes back as well. Then, proceed and re-try the upgrade via manual FTP like you tried to at the bottom of your post.

laman_apc
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Re: AP7922: Error: The application was not able to load.

This was originally posted on APC forums on 3/23/2017


Hi Angela,

Tried SSH using PuTTY, and it returned:

Disconnected: Received SSH2_MSG_CHANNEL_SUCCESS for nonexistent channel 65536.

Any idea why I am getting this error? As far as I can remember, the PDU was setup using SSH, not Telnet.

If I used Telent, it returned 'Network error: Connection refused'. Do you know of any way to reboot the PDU without affecting the outlets?

Thanks again.

Regards,
Antonio

laman_apc
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Re: AP7922: Error: The application was not able to load.

This was originally posted on APC forums on 3/23/2017


Oh, I found the problem with the SSH access.

http://www.apc.com/us/en/faqs/FA242581/

This is due to some incompatibility with newer PuTTy client versions and older SSH server versions in NMC1 products, this error message is received and access is not allowed. This will also likely affect WinSCP users since WinSCP and PuTTy share similar SSH and SCP code.

Unfortunately rebooting the management interface did not fix the problem. I logged in via SSH again and see the following screen:

American Power Conversion               Network Management Card AOS      v3.7.4
(c) Copyright 2009 All Rights Reserved  Rack PDU APP                     v3.9.2
-------------------------------------------------------------------------------
Name      : APCPDU1                                   Date : 24-Mar-17
Contact   : ICTS                                      Time : 08:44:33
Location  : OTEN                                      User : Administrator
Up Time   : 0 Days 0 Hours 2 Minutes                  Stat : P+ N+ A!


------- Control Console -------------------------------------------------------

     1- Device Manager
     2- Network
     3- System
     4- Logout

     - Main Menu, - Refresh

Interestingly the NMC AOS is v3.7.4 while the Rack PDU APP is v3.9.2. I ran the SCP command again to upload 'apc_hw02_aos_392.bin' and 'apc_hw02_rpdu_392.bin' again, but the AOS stayed on v3.7.4.

I also tried 'Reset to Defaults Except TCP/IP' and the problem persists.

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laman_apc
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Re: AP7922: Error: The application was not able to load.

This was originally posted on APC forums on 3/24/2017


Tried the 'NMC Upgrade Tool v1.2' again and failed. But the result.txt shows the following error:

Using AOS file        : AOS = apc_hw02_aos_392.bin
Using Application file: APP = apc_hw02_rpdu_392.bin

Checking network connection ...  Checking version information ...
 *************** Next **************

Before Upgrading the NMC the AOS is: ÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌÌ̈È
* Detected early version, two AOS upgrades required
Attempting to log in to 192.168.50.51 ... Log in sucessful
Loading OS, please wait ... Firmware download failed.
Attempting to log in to 192.168.50.51 ...
Could not log into 192.168.50.51.

Not all Network Management Cards were upgraded successfully:
    192.168.50.51: Could not log into the Management Card's FTP server.

Encountered 1 failures during upgrade.

According to the System Info, my AOS is 3.7.4 and the latest version is 3.9.2. I could not find anything other version available between them.

 -----------------------------------------------------------------------
        Module Information
        Description : Rack PDU APP
        -----------------------------------------------------------------------
        Name        : rpdu              Type        : StatApp
        Version     : 392               Sector      : 16
        Date        : 07/07/2016        Time        : 10:40:30
        CRC16       : D94B

        Press to continue...

        Description : Network Management Card AOS
        -----------------------------------------------------------------------
        Name        : aos               Type        : APC OS
        Version     : 374               Sector      : 47
        Date        : 11/09/2011        Time        : 11:45:09
        CRC16       : 49C6

        Press to continue...

laman_apc
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Re: AP7922: Error: The application was not able to load.

This was originally posted on APC forums on 3/27/2017


Hi Angela,

Still working on it. Tried scp again, but it now returns 'Fatal: Network error: Connection refused'.

Can you also give me the aos 3.7.4 too?

Yes, I have been following FA156047 since day one. Thanks for the link.

laman_apc
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Re: AP7922: Error: The application was not able to load.

This was originally posted on APC forums on 3/27/2017


Hi Angela,

I managed to upload rpdu 3.7.4 successfully and am able to login through the GUI now. Many thanks for your assistance.

Will try to upgrade to 3.9.2 again soon.