1,227 questions with Azure Application Gateway tags

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Facing issues with Developer tool Network Response reporting "status":"400","errorCode":"ConnectionTimeOut","message":"Cannot process your request right now,\n please try again later."}"

Post specifying USERID for OIDC function facing issues connection timeouts.

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
1,227 questions
asked 2025-08-07T21:23:28.5433333+00:00
Samir Patel 0 Reputation points
commented 2025-08-12T06:01:28.35+00:00
Ravi Varma Mudduluru 85 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

Subnet Size Considerations for Azure Application Gateway v2 SKU

In the documentation for Application Gateway V2, it mentions that a /24 subnet is recommended for sufficient autoscaling and maintenance upgrades, allowing support for up to 125 instances. However, the current infrastructure only requires around 12…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
1,227 questions
asked 2025-04-29T18:36:55.6166667+00:00
InfraSolutions 711 Reputation points
commented 2025-08-06T17:59:58.9166667+00:00
Schroeder, Michael (CTR) 36 Reputation points
1 answer

Azure application gateway authentication integration with Entra ID

Hello, I want to integrate Azure Application Gateway to authenticate with Entra ID on the gateway. I don't want to use the EntraID auth on the backend or AD application proxy. Complete deployment is on Azure, I have a private subnet with a Linux VM in…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
1,227 questions
asked 2025-07-30T10:16:47.2166667+00:00
Atanas Georgiev 0 Reputation points
commented 2025-08-01T16:45:55.5866667+00:00
G Sree Vidya 4,005 Reputation points Microsoft External Staff Moderator
0 answers

OSCP request cache time

Hello, everyone! I recently added an OSCP check to the Azure Application Gateway because we use mTLS to communicate with the tablet. It's working well, but as far as I know, the AGW uses a cache mechanism to store the answer from the OCSP server for…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
1,227 questions
asked 2025-07-01T07:00:19.02+00:00
Ruslan Mullagaliev 0 Reputation points
commented 2025-07-30T16:27:43+00:00
Siarhei Zhalezka 0 Reputation points
1 answer

Application Gateway - Rewrite set

Application Gateway Cannot associate rewrite set with path-based routing rule. Rewrite set saves fine without any routing rule selected. Any rule association causes a generic provisioning error: "An error occurred while applying configuration to…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
1,227 questions
asked 2025-07-21T17:54:17.0833333+00:00
sharif shaik 0 Reputation points
commented 2025-07-30T14:05:16.8633333+00:00
Jose Benjamin Solis Nolasco 4,986 Reputation points
1 answer

Fallo al cargar certificados en application gateway

Buenos días, Cuando cargo en el listener el pfx y en el backend setting Backend server’s certificate is issued by a well-known CA, Si, me aparece el siguiente error en el backend health The Intermediate certificate is missing from the backend server…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
1,227 questions
asked 2025-07-29T08:39:12.9433333+00:00
Amg 40 Reputation points
answered 2025-07-29T21:41:39.72+00:00
G Sree Vidya 4,005 Reputation points Microsoft External Staff Moderator
2 answers

Why does Azure application gateway rate limit WAF return a 403 and not a 429?

When Azure Application gateway rate limiter functions as expected, we were expecting a 429, but instead, a 403 is returned. Why is this?

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
1,227 questions
Azure Web Application Firewall
asked 2024-03-04T13:57:27.39+00:00
Levi 40 Reputation points
commented 2025-07-28T10:39:38.33+00:00
Nishant Chauhan 0 Reputation points Microsoft Employee
1 answer

Application Gateway Migration to Zone Redundant Model Not Yet Reflected

Hi, I've received the health advisory notice (Tracking ID: XXXXX) regarding the migration of Application Gateways from a regional deployment model to a Zone Redundant model. The advisory indicates that the migration should have completed by 15/07/2025…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
1,227 questions
asked 2025-07-21T15:01:11.4466667+00:00
$@chin 245 Reputation points
commented 2025-07-28T03:35:10.67+00:00
Praveen Bandaru 6,850 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

Remove Server header from Azure Application Gateway

Hello, I have an Application Gateway with WAFv2 that sits in front of my App Services. An audit revealed that Server headers are being disclosed as Server: Microsoft-Azure-Application-Gateway/V2. Since the IP is directly checked for this recon, I…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
1,227 questions
asked 2025-07-22T09:29:58.9433333+00:00
Hasan Shehzeb 40 Reputation points
accepted 2025-07-25T05:25:50.18+00:00
Hasan Shehzeb 40 Reputation points
2 answers

Azure Application Gateway to Istio Addon to AKS setup. Have anyone done this setup. The App Gateway does not seem to take the Istio Ingres Gateway as backend.

Azure Application Gateway to Istio Add-on to AKS setup. Have anyone done this setup. The App Gateway does not seem to take the Istio Ingres Gateway as backend.

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
1,227 questions
asked 2025-07-21T14:10:21.1566667+00:00
Jose Sebastian 5 Reputation points
answered 2025-07-22T13:10:52.17+00:00
Ganesh Patapati 8,755 Reputation points Microsoft External Staff Moderator
1 answer

APIM/Express Route Latency Spike

Good Afternoon, Yesterday we experinced an issue with APIM/Express Route exprienced about an hour long latency spike that caused requests to time out. I want to identify whether this was an Azure issue or an issue w/ our partner. Summary of the…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
1,227 questions
asked 2025-07-21T17:22:44.9+00:00
Matthew Leon 0 Reputation points
answered 2025-07-21T19:16:45.66+00:00
G Sree Vidya 4,005 Reputation points Microsoft External Staff Moderator
1 answer

Getting bad gateway in app gateway which is connecting to private container apps

Hi Support, We are configuring azure container apps with ingress internal - (nginx contanier). This is integrated to vnet and subet and container env is assigned with subnet ip. We are now trying to connect to this via application gateway configured in…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
1,227 questions
asked 2025-07-18T10:20:27.07+00:00
nishan Pa 0 Reputation points
answered 2025-07-18T17:45:06.3366667+00:00
G Sree Vidya 4,005 Reputation points Microsoft External Staff Moderator
3 answers

Application Gateway fails to be built where a NSG rule deny's outbound traffic to/from virtual network

When building an application gateway into a subnet with the following outbound NSG ruleset it fails, complaining outbound internet traffic is blocked (which it isn't). Removing rule 4096 allows me to provision the application gateway, however I would…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
1,227 questions
asked 2022-02-01T15:42:00.283+00:00
Mark Roddick 11 Reputation points
answered 2025-07-11T15:25:22.3866667+00:00
Pasquini, Matteo (Admin) 50 Reputation points
1 answer One of the answers was accepted by the question author.

Azure application gateway V1 Basic IP upgrade

Hi, We currently have an Azure Application Gateway V1 that uses Basic IP, and I understand that Basic SKU IP addresses should be upgraded to Standard SKU by 20 September 2025. However, we've received an email from Azure advising that our Azure…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
1,227 questions
asked 2025-05-21T20:06:34.5966667+00:00
Sagar 20 Reputation points
commented 2025-07-16T23:40:04.9233333+00:00
Vasily Romanov 25 Reputation points
0 answers

Significant drop in RPS after migrating to Azure Application Gateway V2 – Potential MS backbone issue?

Hello Team, We need assistance with issue after migrating our workloads from GCP to Azure. Scenario We migrated from GCP where we consistently handled ~150K requests per second (RPS) via GCP load balancers. After migration to Azure, using Azure…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
1,227 questions
asked 2025-06-20T14:47:13.09+00:00
Niket Kumar Singh 785 Reputation points
commented 2025-07-01T21:41:13.23+00:00
ChaitanyaNaykodi-MSFT 27,496 Reputation points Microsoft Employee Moderator
1 answer One of the answers was accepted by the question author.

ASSOCIATE PUBLIC IP TO APPLICATION GATEWAY

I'm having the same issue. Want to put an AG in front of a VM and reuse the existing IP of the VM. So I disassociate the Public IP from the VM and then start making a new AG. In the wizard on the page 2 (Frontends) I try to pick the dissociated IP but it…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
1,227 questions
asked 2025-06-26T01:09:42.48+00:00
José Diego Ávila Ruiz 20 Reputation points
commented 2025-06-30T19:56:21.72+00:00
José Diego Ávila Ruiz 20 Reputation points
1 answer One of the answers was accepted by the question author.

How to apply WAF to Application Gateway for Containers frontend

I've created a security policy, but don't see any way to actually attach it to one of the frontends. There is also a red warning icon, but it does not give any additional information. I am using the Kubernetes managed way of deploying.

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
1,227 questions
asked 2025-07-01T09:21:35.0933333+00:00
Andreas Nord 20 Reputation points
accepted 2025-07-03T07:54:50.2+00:00
Andreas Nord 20 Reputation points
2 answers

Azure AppGateway WAF is blocking requests that have blob SAS token

The application gateway has WAF in prevention mode. When there are file download requests from blob storage, these are getting blocked by WAF, applying rules 942450,942340. The request URL has the Blob SAS token in query string, which is treated as…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
1,227 questions
asked 2025-07-03T11:01:15.7666667+00:00
Anand Sowmithiran 1 Reputation point
commented 2025-07-09T18:15:56.8166667+00:00
G Sree Vidya 4,005 Reputation points Microsoft External Staff Moderator
1 answer

Application Gateway Backend Probe Unhealthy

Time taken by the backend to respond to application gateway's health probe is more than the time-out threshold in the probe configuration. Either increase the time-out threshold in the probe configuration or resolve the backend issues. Note: for default…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
1,227 questions
asked 2025-07-05T05:11:38.8166667+00:00
Michael Clark 0 Reputation points
commented 2025-07-10T14:14:24.6566667+00:00
Ganesh Patapati 8,755 Reputation points Microsoft External Staff Moderator
1 answer One of the answers was accepted by the question author.

Does the Basic SKU of the Azure Application Gateway have redundancy - for higher availability

Hello MS specialists! We're getting ready to upgrade our Application Gateways V1 to V2, but are trying to be cost conscious when doing it. The fact is the Standard SKU of the V2 is much more expensive (by 10 times) than the Small SKU or the V1 that's…

Azure Application Gateway
Azure Application Gateway
An Azure service that provides a platform-managed, scalable, and highly available application delivery controller as a service.
1,227 questions
asked 2025-07-17T00:26:46.8933333+00:00
Vasily Romanov 25 Reputation points
accepted 2025-07-17T13:43:30.04+00:00
Vasily Romanov 25 Reputation points