{"id":2667,"date":"2022-08-21T18:27:38","date_gmt":"2022-08-21T23:27:38","guid":{"rendered":"https:\/\/www.ciraltos.com\/?p=2667"},"modified":"2022-08-21T18:27:39","modified_gmt":"2022-08-21T23:27:39","slug":"azure-automation-subscription-null-or-empty","status":"publish","type":"post","link":"https:\/\/www.ciraltos.com\/staging2\/azure-automation-subscription-null-or-empty\/","title":{"rendered":"Azure Automation Subscription Null or Empty"},"content":{"rendered":"\n

What do you do if you are setting up a new Runbook in Azure\nAutomation and get a message similar to: <\/p>\n\n\n\n

\u201cCannot validate argument on parameter ‘Subscription.’ The\nargument is null or empty.\u201d<\/p>\n\n\n\n

\"No
No Subscription Error <\/figcaption><\/figure><\/div>\n\n\n\n

And this is a new managed identity, or maybe the first time\nusing the identity?<\/p>\n\n\n\n

Looking at the roles assigned to a new System Assigned Managed Identity, we can see that all the RBAC roles are from Azure AD. \u00a0Remember, the subscription and Azure AD are different scopes for RBAC roles.\u00a0 By default, a new System or User Managed Identity does not have rights to the subscription.\u00a0 <\/p>\n\n\n\n

\"\"
Default Azure AD Roles<\/figcaption><\/figure>\n\n\n\n

The default settings have no Subscription level rights.  Because of that, no subscription value\nreturns when the Connect-AzAccount -Identity command runs to authenticate the\nrunbook with the managed identity.  We can\nverify that with the output from the $AzureContext variable used to authenticate\nthe runbook.<\/p>\n\n\n\n

\"\"
No Subscription <\/figcaption><\/figure><\/div>\n\n\n\n

The fix is easy, assign the managed identity a role in the\nsubscription.  Odds are, you intend to do\nthat anyway.  After all, why log in with\nthe managed identity if it\u2019s not going to interact with the subscription?<\/p>\n\n\n\n

Once we assign a role in the subscription, the login context\nwill have a subscription to add.<\/p>\n\n\n\n

\"\"
With Subscription<\/figcaption><\/figure><\/div>\n","protected":false},"excerpt":{"rendered":"

What do you do if you are setting up a new Runbook in Azure Automation and get a message similar to: \u201cCannot validate argument on parameter ‘Subscription.’ The argument is null or empty.\u201d And this is a new managed identity, or maybe the first time using the identity? Looking at the roles assigned to a …<\/p>\n

Azure Automation Subscription Null or Empty<\/span> Read More »<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-global-header-display":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":""},"categories":[1],"tags":[],"yoast_head":"\nAzure Automation Subscription Null or Empty - ciraltos<\/title>\n<meta name=\"description\" content=\"What do you do if you are setting up a new Runbook in AzureAutomation and get a message similar to: \u201cCannot validate argument on parameter 'Subscription.' 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