Merge pull request #235730 from dknappettmsft/avd-limitation-vm-naming

AVD added VM name maximum characters

Author: prmerger-automator[bot]

articles/virtual-desktop/add-session-hosts-host-pool.md

@@ -145,7 +145,7 @@ Here's how to create session hosts and register them to a host pool using the Az
    | Parameter | Value/Description |
    |--|--|
    | Resource group | This automatically defaults to the same resource group as your host pool, but you can select an alternative existing one from the drop-down list. |
-   | Name prefix | Enter a name for your session hosts, for example **aad-hp01-sh**.<br /><br />This will be used as the prefix for your session host VMs. Each session host will have a hyphen and then a sequential number added to the end, for example **aad-hp01-sh-0**. This name prefix can be a maximum of 11 characters and will also be in the computer name in the operating system. Session host names must be unique. |
+   | Name prefix | Enter a name for your session hosts, for example **aad-hp01-sh**.<br /><br />This will be used as the prefix for your session host VMs. Each session host has a suffix of a hyphen and then a sequential number added to the end, for example **aad-hp01-sh-0**.<br /><br />This name prefix can be a maximum of 11 characters and is used in the computer name in the operating system. The prefix and the suffix combined can be a maximum of 15 characters. Session host names must be unique. |
    | Virtual machine location | Select the Azure region where your session host VMs will be deployed. This must be the same region that your virtual network is in. |
    | Availability options | Select from **[availability zones](../reliability/availability-zones-overview.md)**, **[availability set](../virtual-machines/availability-set-overview.md)**, or **No infrastructure dependency required**. If you select availability zones or availability set, complete the extra parameters that appear.  |
    | Security type | Select from **Standard**, **[Trusted launch virtual machines](../virtual-machines/trusted-launch.md)**, or **[Confidential virtual machines](../confidential-computing/confidential-vm-overview.md)**. |

articles/virtual-desktop/create-host-pool.md

@@ -97,7 +97,7 @@ Here's how to create a host pool using the Azure portal.
    |--|--|
    | Add Azure virtual machines | Select **Yes**. This shows several new options. |
    | Resource group | This automatically defaults to the resource group you chose your host pool to be in on the *Basics* tab, but you can also select an alternative. |
-   | Name prefix | Enter a name for your session hosts, for example **aad-hp01-sh**.<br /><br />This will be used as the prefix for your session host VMs. Each session host has a hyphen and then a sequential number added to the end, for example **aad-hp01-sh-0**. This name prefix can be a maximum of 11 characters and is used in the computer name in the operating system. |
+   | Name prefix | Enter a name for your session hosts, for example **aad-hp01-sh**.<br /><br />This will be used as the prefix for your session host VMs. Each session host has a suffix of a hyphen and then a sequential number added to the end, for example **aad-hp01-sh-0**.<br /><br />This name prefix can be a maximum of 11 characters and is used in the computer name in the operating system. The prefix and the suffix combined can be a maximum of 15 characters. Session host names must be unique. |
    | Virtual machine location | Select the Azure region where your session host VMs will be deployed. This must be the same region that your virtual network is in. |
    | Availability options | Select from **[availability zones](../reliability/availability-zones-overview.md)**, **[availability set](../virtual-machines/availability-set-overview.md)**, or **No infrastructure dependency required**. If you select availability zones or availability set, complete the extra parameters that appear.  |
    | Security type | Select from **Standard**, **[Trusted launch virtual machines](../virtual-machines/trusted-launch.md)**, or **[Confidential virtual machines](../confidential-computing/confidential-vm-overview.md)**. |

articles/virtual-desktop/tutorial-create-connect-personal-desktop.md

@@ -67,13 +67,13 @@ To create a personal host pool, workspace, application group, and session host V
    |--|--|
    | Add Azure virtual machines | Select **Yes**. This shows several new options. |
    | Resource group | This automatically defaults to the resource group you chose your host pool to be in on the *Basics* tab. |
-   | Name prefix | Enter a name for your session hosts, for example **aad-hp01-sh**.<br /><br />This will be used as the prefix for your session host VMs. Each session host has a hyphen and then a sequential number added to the end, for example **aad-hp01-sh-0**. This name prefix can be a maximum of 11 characters and is used in the computer name in the operating system. |
+   | Name prefix | Enter a name for your session hosts, for example **aad-hp01-sh**.<br /><br />This will be used as the prefix for your session host VMs. Each session host has a suffix of a hyphen and then a sequential number added to the end, for example **aad-hp01-sh-0**.<br /><br />This name prefix can be a maximum of 11 characters and is used in the computer name in the operating system. The prefix and the suffix combined can be a maximum of 15 characters. Session host names must be unique. |
    | Virtual machine location | Select the Azure region where your session host VMs will be deployed. This must be the same region that your virtual network is in. |
    | Availability options | Select **No infrastructure dependency required**. This means that your session host VMs won't be deployed in an availability set or in availability zones. |
    | Security type | Select **Standard**. |
    | Image | Select **Windows 11 Enterprise, version 22H2**. |
    | Virtual machine size | Accept the default SKU. If you want to use a different SKU, select **Change size**, then select from the list. |
-   | Number of VMs | Enter **1** as a minimum. You can deploy up to 400 session host VMs at this point if you wish, or you can add more later. <br /><br />With a personal host pool, each session host can only be assigned to one user, so you'll need one session host for each user connecting to this host pool. Once you've completed this tutorial, you can create a pooled host pool, where multiple users can connect to the same session host. |
+   | Number of VMs | Enter **1** as a minimum. You can deploy up to 400 session host VMs at this point if you wish, or you can add more later.<br /><br />With a personal host pool, each session host can only be assigned to one user, so you'll need one session host for each user connecting to this host pool. Once you've completed this tutorial, you can create a pooled host pool, where multiple users can connect to the same session host. |
    | OS disk type | Select **Premium SSD** for best performance. |
    | Boot Diagnostics | Select **Enable with managed storage account (recommended)**. |
    | **Network and security** |  |