![SOLVED: A NetBIOS name can contain a maximum of 15 characters excluding the identifier of the service running on the computer. SOLVED: A NetBIOS name can contain a maximum of 15 characters excluding the identifier of the service running on the computer.](https://cdn.numerade.com/project-universal/previews/b23b9ecf-59cb-4cdf-9724-cd626a62eeca.gif)
SOLVED: A NetBIOS name can contain a maximum of 15 characters excluding the identifier of the service running on the computer.
![active directory - Restrict AD user to computer where DNS name is more than 15 chars? - Server Fault active directory - Restrict AD user to computer where DNS name is more than 15 chars? - Server Fault](https://i.stack.imgur.com/KhDm2.jpg)
active directory - Restrict AD user to computer where DNS name is more than 15 chars? - Server Fault
![Cluster Aware Updating - Cluster CNO Name 15 Characters (NETBIOS name length) GUI Issue - Working Hard In IT Cluster Aware Updating - Cluster CNO Name 15 Characters (NETBIOS name length) GUI Issue - Working Hard In IT](https://blog.workinghardinit.work/wp-content/uploads/2012/12/image_thumb38.png)
Cluster Aware Updating - Cluster CNO Name 15 Characters (NETBIOS name length) GUI Issue - Working Hard In IT
Computer names longer than 15 are blocked, but the limit is 63 · Issue #379 · dsccommunity/ComputerManagementDsc · GitHub
![The security database on the server does not have a computer account for this workstation trust relationship - GeralexGR The security database on the server does not have a computer account for this workstation trust relationship - GeralexGR](https://i0.wp.com/blog.geralexgr.com/wp-content/uploads/2020/03/eikona.png?fit=645%2C263&ssl=1)