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They will not update manually. However system processes shouldn't be using the administrator account. Most software packages create their own accounts for precisely that reason.
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no they will not be updated automatically. All the services running under that account will not start upon next restart.
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Hi,<br />
We are about to prepare to change our Administrator user account, unfortunately it's hidden deep within many systems, we've tried to map them, and already changed the it's password to prevent systems from running with it. However...there are still systems like SQL servers, or VM SRM services that have the Administrator user with in their configuration, my question is, if i change it's username, will it be automatically be updated? or do i need to update it all manually?
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Hi,
We are about to prepare to change our Administrator user account, unfortunately it's hidden deep within many systems, we've tried to map them, and already changed the it's password to prevent systems from running with it. However...there are still systems like SQL servers, or VM SRM services that have the Administrator user with in their configuration, my question is, if i change it's username, will it be automatically be updated? or do i need to update it all manually?

Effects of changing the Administrator username in Active Directory

Active Directory (AD) is a Microsoft brand for identity-related capabilities. In the on-premises world, Windows Server AD provides a set of identity capabilities and services, and is hugely popular (88% of Fortune 1000 and 95% of enterprises use AD). This topic includes all things Active Directory including DNS, Group Policy, DFS, troubleshooting, ADFS, and all other topics under the Microsoft AD and identity umbrella.

Active Directory

Windows Server 2008 and Windows Server 2008 R2, based on the Microsoft Vista codebase, is the last 32-bit server operating system released by Microsoft. It has a number of versions, including including Foundation, Standard, Enterprise, Datacenter, Web, HPC Server, Itanium and Storage; new features included server core installation and Hyper-V.

Windows Server 2008

Microsoft SQL Server 2008 is a suite of relational database management system (RDBMS) products providing multi-user database access functionality.Component services include integration (SSIS), reporting (SSRS), analysis (SSAS), data quality, master data, T-SQL and performance tuning. Major improvements include the  Always On technologies and support for unstructured data types.