IIS App_Pool stops

Razzi29 311 Reputation points
2022-02-26T19:34:03.977+00:00

I am hoping someone can assist here... I am having an issue where app_pool on a few IIS servers are stopping and some don't and work fine. I found this error in the event log:
The identity of application pool TPOMobile_AppPool is invalid. The user name or password that is specified for the identity may be incorrect, or the user may not have batch logon rights. If the identity is not corrected, the application pool will be disabled when the application pool receives its first request. If batch logon rights are causing the problem, the identity in the IIS configuration store must be changed after rights have been granted before Windows Process Activation Service (WAS) can retry the logon. If the identity remains invalid after the first request for the application pool is processed, the application pool will be disabled. The data field contains the error number.

Internet Information Services
Windows Server
Windows Server
A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.
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  1. Bruce Zhang-MSFT 3,736 Reputation points
    2022-02-28T02:59:45.697+00:00

    Hi @Razzi29 ,

    Please check the application pool identity.
    178279-1.png

    There are two options for you. Built-in account and Custom account.
    You can choose anyone in Built-in account. Difference between them is permission of process to folder and file. If you choose them, there's no need to enter password.
    178304-2.png

    You can choose custom account,too. The custom account should be the user in system or system group. Custom account can be administrator or any other user. But you need to create the user in system first. When you choose custom account, you need to enter password to provide credential. It seems that the error message you received is caused by incorrect password. Please check the password and user name to make sure they are correctly.
    178341-3.png

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    Best regards,
    Bruce Zhang

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  1. MotoX80 31,571 Reputation points
    2022-02-26T20:28:16.367+00:00

    Did the password for the account change? Is the account enabled? Does it have the "user must change password" set?

    178086-capture.png

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