# How do I set up auto-provisioning?
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**Important: The content in the screenshots may differ slightly in your account, but it corresponds to the same functions and information. Applies to sipgate accounts on sipgate classic.**
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Auto provisioning or remote setup enables quick and easy configuration of Snom D phones. To configure them, you need the MAC addresses of the phones. To use auto provisioning, booking a sipgate business plan is required.
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**Important:** Auto provisioning is only available for **DXXX-Snom**-devices with firmware update **from version 10.x** .
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First, log in as admin. Then go to **account management** and then click in the navigation menu on **Plug & Play**.\
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To add a device, click on **Add**.
In the pop-up window, enter the MAC address of the phone and the name of the users whose phones are to be configured.
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**Important**: You can find the MAC address on the packaging or on the underside of the phone. Alternatively, the MAC address is also shown on the display under the menu item **system information** .
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If you connect the phone now, it will load the configuration file within a few minutes and be ready for use. If needed, you can manually adjust the configuration file in the XML editor. If you want to assign the phone to another person, click the gear icon in the top right and reassign the device.
#### **Errors and solutions**
Error: After entering a MAC address, the window closes and no phone is created
**Error**: After entering a MAC address, the window closes and no phone is created.\
**Analysis 1**: press F12 in the browser ➔ open the console and create a MAC address
* "Failed to load resource: the server responded with a status of 500 (Internal Server Error)
**Cause 1.1:** The MAC address is already stored in the same account\
**Solution 1.1:** check the phone in the list of MAC addresses and adjust the settings or delete the phone\
**Cause 1.2:** The MAC address is already stored in another sipgate account\
**Solution 1.2.1:** log in to the other sipgate team X account, under **Plug & Play** delete the MAC address, log out of X, log in to your own sipgate team account Y and under **Plug & Play** store the MAC address 00041xxx again.\
**Solution 1.2.2:** contact sipgate Support to delete the MAC address 00041xxx\
**Cause 1.3:** the phone may have been bought via classifieds and is still stored with another phone provider\
**Solution 1.3:** report the MAC address 00041xxx to sipgate Support; Support can then ask SNOM Support to delete the MAC address 00041xxx centrally, the user will receive confirmation and can then in the sipgate account under **Plug & Play** store the MAC address 00041xxx
Error: 503 (Service Unavailable) when creating a MAC address
**Analysis 2**: press F12 in the browser and open the console to create a MAC address
* It appears: 503 (Service Unavailable)
**Cause 2.1:** There is a [outage](https://status.sipgate.de/) present\
**Solution 2.1:** wait until the outage has been resolved\
**Cause 2.2:** general issue when creating a MAC address for SRAPs\
**Solution 2.2:** Report MAC address + error to sipgate Support
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