Unauthorized error when trying to use Maintenance Mode

Help Orchestrator
,
1

I have a Citrix environment with a machine template and 4 host machines connected. I need to set Maintenance Mode 1 host machine at a time.
I am using OAuth2 to set Maintenance Mode. I have a confidential, external application connection set with OR.Administration for the application scope. With an Http request activity, I can authenticate and receive an access token using the appid and secret from the external application setup. however, I get “Unauthorized” 403 error code when trying to set the HostMachineName to Maintenance Mode.
This is the set up of the HTTP request:

image
image756×701 23.5 KB

This is the body (this may be the issue??):

This image shows the UiPath Expression Editor with an HTTP request body containing a JSON object to set the "HostMachineName" and "phase" parameters, where part of the "HostMachineName" value is redacted. (Captioned by AI)
This image shows the UiPath Expression Editor with an HTTP request body containing a JSON object to set the "HostMachineName" and "phase" parameters, where part of the "HostMachineName" value is redacted. (Captioned by AI)468×262 5.77 KB

I have selected OAuth2 and put the bearer token in the OAuth2Token field.

Error Message: “{"message":"You are not authorized!","errorCode":0,"result":null,"targetUrl":null,"success":false,"error":{"code":0,"message":"You are not authorized!","details":"You are not allowed to perform this operation.","validationErrors":null},"unAuthorizedRequest":true,"__abp":true}”

2

@gregg.rubright

Where did you pass the bearer token?

I dont see that at all?

cheers

3

I passed it originally in the OAuth2Token field, but it kept disappearing so I moved it to a header but got the same error:

This image shows the HTTP Request Wizard configuration for sending a POST request with JSON content using UiPath, including SSL certificate verification, a 6000 ms timeout, and authorization via a Bearer token. (Captioned by AI)
This image shows the HTTP Request Wizard configuration for sending a POST request with JSON content using UiPath, including SSL certificate verification, a 6000 ms timeout, and authorization via a Bearer token. (Captioned by AI)616×696 21.9 KB

FYI, this is the setup of my External Application connection(App Scopes are OR.Administration and OR.Robots (which I probably don’t need)):

The image depicts a UI interface for managing application settings, including App ID, App Secrets, application type, resources, and redirect URL, with some details redacted. (Captioned by AI)
The image depicts a UI interface for managing application settings, including App ID, App Secrets, application type, resources, and redirect URL, with some details redacted. (Captioned by AI)898×814 34.5 KB

4

I got this done by using the HTTP Request activity, with the following endpoint:
odata/Sessions/UiPath.Server.Configuration.OData.SetMaintenanceMode

And the following payload:
{ "sessionId":“+row[“ServerID”].ToString()+”, "maintenanceMode":"Enabled", "stopJobsStrategy":"SoftStop" }

I could not find ANY documentation on this endpoint anywhere, but it is in the Swagger.

The endpoint with documentation “api/maintenance/start”, I could not get to work at all. Kept giving me an “Unauthorized” or “Forbidden” error. Therefore, I wouldn’t really consider this a solution, but rather, a work around.

Orchestrator Sessions API endpoint
5

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