New Question
 
 
PRTG Network Monitor

Intuitive to Use.
Easy to manage.

200.000 administrators have chosen PRTG to monitor their network. Find out how you can reduce cost, increase QoS and ease planning, as well.

Free PRTG
Download >>

 

What is this?

This knowledgebase contains questions and answers about PRTG Network Monitor and network monitoring in general. You are invited to get involved by asking and answering questions!

Learn more

 

Top Tags


View all Tags


Push notifications stopped working

Votes:

0

Your Vote:

Up

Down

Several weeks ago my push notifications stopped being delivered. I cannot see why as I haven't made any changes (apart from updating PRTG). Here is the current situation:

PRTG version: 16.4.28.7421 Mobile client: Android v 16.4.1.1

My mobile is registered under the notification contacts.

I did try to remove and re-add the notification contact. I did try to uninstall and re-install the mobile app.

When checking the logs I find this around 2-3 minutes after the notification should've been sent: Error sending "Push Notification": Unknown error response (Sensor/Source/ID: 2068/2066/1)

I should mention that I am running PRTG through an IIS proxy as described here: https://kb.paessler.com/en/topic/44613-using-windows-iis-as-ssl-proxy-for-prtg#reply-234049

Does anyone have any ideas?

notification-delivery notifications push-notifications

Created on Jan 5, 2017 2:06:44 PM by  nanos (0) 1



31 Replies

Votes:

0

Your Vote:

Up

Down

Hi there,

If you are using the freeware version with an expired trial, then the push notifications are currently not working. We are about to publish a fix as soon as possible. So please standby till the fix is released. (https://www.paessler.com/prtg/history/stable )

Created on Jan 5, 2017 2:27:55 PM by  Dariusz Gorka [Paessler Support]



Votes:

0

Your Vote:

Up

Down

I see. that's good to know. Thanks for taking the time to respond!

Created on Jan 5, 2017 3:16:37 PM by  nanos (0) 1



Votes:

0

Your Vote:

Up

Down

Are there any news on this? One update has come out since then, but that doesn't appear to have fixed this. Any ETA?

Created on Feb 1, 2017 1:41:59 PM by  nanos (0) 1



Votes:

0

Your Vote:

Up

Down

Hi,

The issue seems to be a little bit more difficult than thought as not all expired trial license are affected. Please give us some more time to analyze the issue. As soon as the issue is fixed, I will write a statement in this topic. :)

Created on Feb 1, 2017 2:22:09 PM by  Dariusz Gorka [Paessler Support]



Votes:

0

Your Vote:

Up

Down

already update to 17.1.28.1341 on February 15th but this problem still appear. anyone already try to uninstall and reinstall PRTG again without reinput sensor again?

Created on Feb 19, 2017 2:07:23 AM by  hpradianto (0)



Votes:

0

Your Vote:

Up

Down

Hi,

I'm afraid that it's still not possible to send push notifications with expired trial licenses. We will update the knowledge base article as soon as it is resolved.

Best Felix

Created on Feb 20, 2017 6:40:40 AM by  Felix Saure [Paessler Support]



Votes:

0

Your Vote:

Up

Down

I have this issue also. I thought in the past the freeware did not show as expired like it does now. I am sad to have upgraded. Can I downgrade till this issue has been resolved? Or maybe PRTG can cut a licenses key that are good for 100 sensors till this is resolved?

Created on Feb 21, 2017 10:02:36 PM by  tubular031 (0)



Votes:

0

Your Vote:

Up

Down

Dear tubular031

We have isolated the issue preventing freeware versions from sending push notifications and will release an update soon. For now, a preview version is already available. Please change the update channel in your PRTG to get this update.

Once you installed the 17.1.29, please change the update channel back to stable.

Created on Feb 21, 2017 10:09:11 PM by  Arne Seifert [Paessler Support]



Votes:

0

Your Vote:

Up

Down

Just updated to 17.1.29.1359 and still no push notification. Under logs-notifications I see: Error sending "Push Notification": Unknown error response

That is the same response I was getting before the 17.1.29 update

Created on Feb 22, 2017 1:32:09 AM by  tubular031 (0)



Votes:

0

Your Vote:

Up

Down

Getting the below error under logs after upgrading to preview version.

Error sending "Push Notification": Access violation at address 00000000011A99B5 in module 'PRTG Server.exe'. Read of address 0000000000000000 (Sensor/Source/ID: 2731/0/1)

When tested manually, getting the below error under logs.

Error sending "Push Notification": Unknown error response

Do we need a reboot of the PRTG server?

Created on Feb 22, 2017 5:07:17 AM by  faast (0)



Votes:

0

Your Vote:

Up

Down

I am sorry, upgraded to the preview version and the problem persists, reboot after the upgrade didn't help.

Logs saying

Error sending "Push Notification": Unknown error response (Sensor/Source/ID: 2276/0/1)

Created on Feb 22, 2017 5:34:30 AM by  faast (0)



Votes:

0

Your Vote:

Up

Down

Just made the change to 17.1.29 still no push notifications and still the same error in logs. I also changed the license key to a new one but i think it needs re-installation. The trial expired is still there.

Created on Feb 22, 2017 9:49:39 AM by  pfournaris (0)



Votes:

0

Your Vote:

Up

Down

I have downloaded and installed version 17.1.29 from the Preview channel, unfortunately that version did not fix the problem for me. Now the log shows two errors when PRTG is trying to send Push notifications:

- Error sending Push notification "Unknown error response" (which was the problem all along) - Error sending Push notification "Access violation at address 00DCCC1C in module "PRTG Server.exe" Read of address 0000000.

I will wait for the stable update and install it when it comes out, hopefully this problem will finally be solved.

Created on Feb 22, 2017 11:11:31 AM by  TeslaMaster (0)



Votes:

0

Your Vote:

Up

Down

That is correct, I spoke too soon. We plan to relase a fix as preview, but that build is not yet available for download. It should be within the next days.

Created on Feb 22, 2017 1:24:11 PM by  Arne Seifert [Paessler Support]



Votes:

0

Your Vote:

Up

Down

The PRTG preview release 17.1.29.1402 (available now) got that bugfix included.

Created on Feb 22, 2017 5:06:39 PM by  Arne Seifert [Paessler Support]



Votes:

0

Your Vote:

Up

Down

Great, I just installed the update and push notifications in IOS works again!

Created on Feb 22, 2017 5:39:15 PM by  franciscocardoso (0)



Votes:

0

Your Vote:

Up

Down

Just installed 17.1.29.1402 and it worked! I was able to send a test push notification and my s7. WOOHOO! Thanks!!

Created on Feb 22, 2017 8:46:23 PM by  tubular031 (0)



Votes:

0

Your Vote:

Up

Down

Trying to download via preview channel version 17.1.29.1402 but it keeps downloading previous one 17.1.29.1359.

Created on Feb 23, 2017 8:04:33 AM by  pfournaris (0)



Votes:

0

Your Vote:

Up

Down

The 1402 build should be available, I just double-checked.

Created on Feb 23, 2017 12:51:21 PM by  Arne Seifert [Paessler Support]



Votes:

0

Your Vote:

Up

Down

I installed yesterday the update, it was available late in the afternoon. Push notifications started working again. The test i made was to send test push notifications . Unfortunately last night i received two emails with errors and no push notifications from my sensors. Checking the log this morning found again the message

Error sending "Push Notification": Access violation at address 00DCCA3B in module 'PRTG Server.exe'. Read of address 00000000 (Sensor/Source/ID: 2206/2181/1)

I tried to send test push notifications and it was sending, but not from my sensors. I deliberately forced a device in error and got the emails to my account but not push notifications. As far as i can remember push notifications were coming before emails.

Now my device is down, i get the email for it but no push notifications.

Created on Feb 24, 2017 6:59:12 AM by  pfournaris (0)



Votes:

0

Your Vote:

Up

Down

Downloaded and installed version 17.1.29.1402, which solved the problem for me, too.

Created on Feb 24, 2017 9:33:17 AM by  TeslaMaster (0)



Votes:

0

Your Vote:

Up

Down

Dear pfournaris

If you get those errors in the next stable release as well, please contact [email protected].

Created on Feb 24, 2017 11:35:52 AM by  Arne Seifert [Paessler Support]



Votes:

0

Your Vote:

Up

Down

Same problem as pfournaris with 17.1.29.1402.

Test push notification works, but real notification gives me:

Error sending "Push Notification": Access violation at address 00DCCA3B in module 'PRTG Server.exe'. Read of address 00000000 (Sensor/Source/ID: 2369/0/1)

Created on Feb 26, 2017 1:57:55 PM by  aheckmann (0)



Votes:

0

Your Vote:

Up

Down

The "Down message" generates access violation, the "up message" works (V 17.1.29.1402)

Created on Feb 26, 2017 2:24:10 PM by  aheckmann (0)



Votes:

0

Your Vote:

Up

Down

This case is now investigated.

Created on Feb 27, 2017 1:37:45 PM by  Arne Seifert [Paessler Support]

Last change on Feb 27, 2017 1:38:11 PM by  Arne Seifert [Paessler Support]



Votes:

0

Your Vote:

Up

Down

The current stable should work for down notifications too.

Created on Feb 28, 2017 4:05:32 PM by  Arne Seifert [Paessler Support]



Votes:

0

Your Vote:

Up

Down

Hi. I upgraded to 17.2.30.1825 and push notifications to my mobile phone no longer works. I deleted the notification contact that pertains to my phone from the software and removed the PRTG app from my phone. I reinstalled the app on my phone and a new unique token for my phone was added back to the notification contacts in the software. The log file shows this: Error sending "Push Notification": Unauthorized: License is invalid or maintenance expire. [4d37218d-2541-11e7-b96f-8bdb1e3fcecb] Please advise.

Thanks,

Created on Apr 19, 2017 8:53:31 PM by  dbarnett (0) 1



Votes:

0

Your Vote:

Up

Down

Dear dbarnett

Please check if you have a (trial) key entered in PRTG. (Setup / License / Update License.) This is necessary because now a freeware version is always an expired trial. You can get a trial key here: https://www.paessler.com/download/prtg-download/prtg

Created on Apr 20, 2017 8:29:24 AM by  Arne Seifert [Paessler Support]



Votes:

0

Your Vote:

Up

Down

Dear dbarnett

Once the trial key expires, PRTG reverts to the 100 sensor freeware. (There are some nagging screens at first, but those will disappear automatically.) That means, it is enough to enter a trial key one time. You don't need to re-enter any key later.

The new approach, in which a freeware is always an expired trial, allows us to simplify the software activation process.

The freeware you get after 30 days, is still a full freeware, eligible to receive software updates.

Created on Apr 20, 2017 2:50:23 PM by  Arne Seifert [Paessler Support]

Last change on Apr 20, 2017 2:52:23 PM by  Arne Seifert [Paessler Support]



Votes:

0

Your Vote:

Up

Down

Hi. But will I still be able to utilize the push notification function after the trial key expires?

Created on Apr 20, 2017 4:21:45 PM by  dbarnett (0) 1



Votes:

0

Your Vote:

Up

Down

Dear dbarnett

Yes. There was a bug in a previous PRTG version preventing that, but we found and fixed said bug. A PRTG freeware sends you push notifications.

Created on Apr 20, 2017 4:30:13 PM by  Arne Seifert [Paessler Support]



Please log in or register to enter your reply.


Disclaimer: The information in the Paessler Knowledge Base comes without warranty of any kind. Use at your own risk. Before applying any instructions please exercise proper system administrator housekeeping. You must make sure that a proper backup of all your data is available.