
Hi @Basim Alvi
I'm glad to hear you solve the problem, if you have any issue about SharePoint, you are welcome to raise a ticket in this forum.
By the way, since the Microsoft Q&A community has a policy that "The question author cannot accept their own answer. They can only accept answers by others.". and according to the scenario introduced here: Answering your own questions on Microsoft Q&A, I would make a brief summary of this thread:
Issue Symptom:
Application management service was already installed with configuration wizard but when I try to install "Subscription Settings Service Application" it is stuck and showing "Starting"
I have deleted and then install again, and it is stuck again on "starting" status.
Current status:
Problem is resolved after installing service application through the powershell use below command these command will change the status of Service Application to Started.
Start the Service Application service
Get-SPServiceInstance | where-object {$_.TypeName -eq "App Management Service"} (Write Service Application Name - copy from the "Service on Server" page)
(Get-SPServiceInstance | where-object {$_.TypeName -eq "App Management Service"}).Provision()
Get-SPServiceInstance | where-object {$_.TypeName -eq "App Management Service"}
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