NetWorker: nsrazure_discovery fails with "there is no JSON stored in NSR Azure subscription environment" HTTP 503

Summary: NetWorker Azure Virtual Machine (VM) Protection Is configured. The Azure discovery process for one or more Azure subscriptions fails with HTTP 503.

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Symptoms

The NetWorker Azure Discovery process fails for one or more Azure subscriptions.
The nsrazure_discovery command returns the following:

Syntax: nsrazure_discovery -D5 -s <NETWORKER_SERVER_NAME> -n <SUBSCRIPTION_NAME> -L

NSR:/nsr/logs/azure_subscription # nsrazure_discovery -D5 -s NSR.DOMAIN.LOCAL -n MyAzureSubscription -L
nsrazure_discovery starting on host NSR.DOMAIN.LOCAL.
MM/DD/YY HH:mm:SS nsrazure_discovery-D5 lg_getnameinfo(): Entry in getnameinfo_cache  not found...
MM/DD/YY HH:mm:SS nsrazure_discovery-D2 lgto_auth for `nsrd' succeeded
MM/DD/YY HH:mm:SS nsrazure_discovery-D5 lg_getnameinfo(): Entry in getnameinfo_cache  not found...
MM/DD/YY HH:mm:SS nsrazure_discovery-D3 azureutil: tenant_id: <TENANT_ID>, subscription_id: <SUBSCRIPTION_ID>, client_id: <CLIENT_ID>
MM/DD/YY HH:mm:SS nsrazure_discovery-D5 Calling printVMInfo
MM/DD/YY HH:mm:SS nsrazure_discovery-D5 printVmInfo Enter nw_server NSR.DOMAIN.LOCAL subscription_name MyAzureSubscription
MM/DD/YY HH:mm:SS nsrazure_discovery-D5 lg_getnameinfo(): Entry in getnameinfo_cache  not found...
MM/DD/YY HH:mm:SS nsrazure_discovery-D2 lgto_auth for `nsrd' succeeded
MM/DD/YY HH:mm:SS nsrazure_discovery-D4 This Networker environment is configured for IPV6.
MM/DD/YY HH:mm:SS nsrazure_discovery-D5 lg_getnameinfo(): Entry in getnameinfo_cache  not found...
207855:nsrazure_discovery: nsrazure_discovery exiting as there is no JSON stored in NSR Azure subscription environment attribute.
MM/DD/YY HH:mm:SS nsrazure_discovery-D5 Status code 5
nsrazure_discovery exiting successfully.

The azure_subscritpion log contains the following error:

  • Linux: /nsr/logs/azure_subscription/<SUBSCRIPTION_NAME_TIMESTAMP>.log
  • Windows: <INSTALL_DRIVE>:\Program Files\EMC NetWorker\nsr\logs\azure_subscription\<SUBSCRIPTION_NAME_TIMESTAMP>.log
208119:nsrazure_discovery: Error from url 'https://management.azure.com/subscriptions/<SUBSCRIPTION_ID>/resourcegroups?api-version=2021-04-01&%24skiptoken=<TOKEN>': Response Code: 503 Response Data: 
<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Transitional//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd'><html [w3.org] xmlns='http://www.w3.org/1999/xhtml'>
<head><meta content='text/html; charset=utf-8' http-equiv='content-type'/><style type='text/css'>body {font-family:Arial; margin-left:40px; }img
{ border:0 none; }#content { margin-left: auto; margin-right: auto }#message h2 { font-size: 20px; font-weight: normal; color: #000000; margin: 34px 0px 0px
0px }#message p  { font-size: 13px; color: #000000; margin: 7px 0px 0px0px}#errorref { font-size: 11px; color: #737373; margin-top: 41px }</style><title>Azur
eResourceManager</title></head><body><div id='content'><div id='message'><h2>Our services aren't available right now</h2><p>We're working to restore all serv
ices as soon as possible. Please check back soon.</p></div><div id='errorref'><span>Ref A: 56E59D572AE24B45A00F338C3224924F Ref B: BN1AA2051014029 Ref C: 202
5-05-14T18:06:13Z</span></div></div></body></html>
209391:nsrazure_discovery: Error: Failed to get VM list JSON

Cause

This issue appears in large Azure subscriptions. A REST Application Programming Interface (API) GET request to the Azure subscription lists resources in JSON format; however, the response ends with "nextLink" indicating that it was paginated.

Impacted NetWorker releases:

  • 19.11.x
  • 19.12.0.0 -> 19.12.0.2
  • 19.13.0.0

Resolution

This issue is fixed in the following NetWorker releases:

  • 19.13.0.1
  • 12.12.0.3

Affected Products

NetWorker

Products

NetWorker Family
Article Properties
Article Number: 000321636
Article Type: Solution
Last Modified: 30 Oct 2025
Version:  11
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