In the "You can receive iMessages to and Reply From" section, make sure that your phone number and Apple ID are selected. Instead of using the same Apple ID as someone else, set up Family Sharing.
This means that when you open the Settings app on your iPhone, iPad or iPod touch, your Apple. Sometimes A greyed out Apple ID may seem to be stuck on ‘Verifying’. If you are experiencing this problem, you can no longer use your Apple ID on your iPhone or iPad.
most likely is due to an error that occurred when updating the iOS or when you change your Apple ID and password. In this article, I’ll show you exactly how to fix greyed out Apple ID on iPad and iPhone. You can check if Apple ID services are working normally or experiencing. Restarting your device may fix your Apple ID problem.
To restart iPhone X, 11 or newer and Face ID iPad models: Press and hold down the side and the volume up (or) down buttons together until the power off slider appears. Wait for one minute and then press and hold down the side button until you see the Apple logo.
Wait for one minute and then press and hold down the side button until you see the Apple logo. To restart other iPhone and iPad models and all iPod touch models: Press and hold the top or side button until you see the power off slider and then drag the slider.
Then press and hold the side or top button until the Apple logo appears. Check if restrictions are turned on on your iPhone, iPad, or iPod. Ensure that the ability to make changes to accounts is allowed.
Start the settings app on your iPhone, iPad or iPod touch. If Apple iD is greyed out still, you may need to turn off Screen Time.
Sometimes, employers or schools install configuration profile on iPhone or iPad that contains settings to restrict or limit and manage.
After changing the password, whenever I am in Settings, not only the Apple ID is greyed out; Messages, iCloud, iTunes, FaceTime, and even App Store do not work. Apple ID greyed out on iPhone, iPad, or iPod touch happens usually because the ability to make changes to accounts is blocked.
What if you forgot the passcode, can you fix the Apple ID greyed out issue without data loss? If you want to step it up to a specialized tool to fix Apple ID greyed out, then you can get an unlocker.
LockWiper is a fantastic toolkit that is equipped with all you need to fix common iOS lock issues on iPads, iPhones, including iCloud ID greyed out. Rather than some trick, LockWiper will directly remove the Screen Time/Restrictions passcode and hence fix your Apple ID greyed out problem. You’ll experience no data loss after repairing Apple ID greyed out with LockWiper. Start the program on your computer and then select the “Screen Time Passcode” mode.
This should begin the operation to remove Screen Time passcode without data loss. You might be familiar with Apple ID; but do you know that it can be applied to reset your Screen Time passcode? Step 7: Then follow the procedure in Part 1 to fix the Apple ID greyed out issue. iOS 13.3 and iPadOS 13.3 were updated on December 10th, 2019. iOS 13.3 adds premium features to iOS 13.2 like: iOS 13.3 fixs multitasking bug from 13.2; in the Screen Time app, parental controls enable parents to set limits for phone calls, messages and Face Time calls for children; there are new layouts for Apple news and it's easier to like or dislike stories with a tap; you can turn off Memoji/Animoji Stickers from being displayed on the Emoji keyboard in "Settings > General > Keyboard", etc. Being "obsolete" means your iPhone, iPad, or iPod touch is unsupported by Apple and cannot receive iOS updates anymore. For models like iPhone 6S/6S Plus and etc., though iOS 13.3/13.4 are available, it is not good news to upgrade, as the newest version may be a disaster to your device.
However, you can still solve the "Apple ID grayed out" issue without iOS 13.3/13.4 with iMyFone LockWiper: Remove Screen Time passcode and then switch the "Account Changes" from "Don't Allow" to "Allow". You may also like:  Easily Remove Apple ID from iPad without Password – iOS 14 Supported. The above methods are the most popular ways to repair the common problem of Apple ID greyed out.
Using Apple ID may or may not work, depending on your unique scenario and your device OS.
Apple Business Manager has not yet been updated to support Azure AD integration, and it does not include the functionality to enable/disable iMessage and FaceTime for the organization, but you can manually create an Apple ID with the staff role and use that Apple ID for testing. The plans for iMessage and FaceTime were not yet documented, so not clear during the base camp. If your employees already created a personal Apple ID using their work email address, its OK. Once you verify the domain ownership in Apple Business Manager, they will get an email telling them that your organization is going to take ownership of that email address.