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AndyPalmerCTC
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Joined Dec 13, 2019
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O365 MFA not sending text to mobile phone
Hi Tech friends, Our company has several O365 Tenants which we manage and we have recently been updating them to ensure our verification details are correct. In many instances this sees us go to the MFA setup page in order to add our two Mobile phone numbers and Mobile Verification App as options on the Tenant admin accounts. Today this isn't working (Tues 7th Jan 2020 @ 12:30 UTC). When I select the Mobile phone and enter the number (using the United Kingdom dial code) on Step 1 this appears to be accepted and then goes to the Step 2 page. At this point I get the usual circle of dots and then the page does NOT show a box to put the code into as I'd usually expect... Instead it says: Step 2: We've sent a text message to your phone on +44 07xxxxxxx Please check the phone number that you specified or change your preferred option. Correlation ID: 1f4c2119-7ed9-48b1-aa2c-46df78a3bdxx Session ID: 300301ef-a9eb-4683-bb3b-fb3c11bccdxx Timestamp: Then a Retry and a Cancel button. No text is received on our phone. This is true of the two different Tenants we manage that I have tried today. I have checked the phone receives Texts perfectly (at least from another UK mobile phone). Does Microsoft have an issue with this service currently? Any advice greatly received. Thanks AndySolved32KViews1like10CommentsRe: O365 MFA not sending text to mobile phone
Gpowell1900 Hi, You don't say where in the world you are, but I only mention as MS have different service components around the globe and a fault in the UK is unlikely to affect elsewhere... I'd try using an unauthenticated browser (maybe Incognito mode) and go to https://aka.ms/MFASetup as this goes direct to the setup portal for your MFA. I'm assuming that might let you log in okay and allow you to change your MFA details. If you have setup more than one method when you first configured MFA then you should be able to select alternatives on the web module that requests a text response (i.e. a second mobile number or an email to alternative ISP etc.). If you didn't set up a second MFA Auth method, why not? Assuming you have only setup one MFA Auth (SMS) then in the event you made a typo in the number then you'll never get the text... You may need to contact MS Support for that as you may have no way of getting in... get them to clear your MFA, then you can set it up again (two of them!). HTH?20KViews0likes1CommentRe: O365 MFA not sending text to mobile phone
Mysteriously this morning it is now all working again as before (as of 9am UK time). I can only suggest a MS glitch yesterday which is now resolved. Thanks for all and any assistance from those on this thread and any others who noticed and were in a position to get it fixed. 🙂 Kindest,32KViews0likes0CommentsRe: O365 MFA not sending text to mobile phone
As an update to this... I was able to access one of our Tenants and setup the Password Recovery option email for a standard account. However, when doing this for the logged in Admin account this required both email and phone options to be configured (rightly) - The email option works fine, the phone option neither texts or rings the phone number I put in (tried three numbers including a land-line). Incidentally we have received a text from Microsoft for an authentication code. This was received some 2 hours after I last tried to do this and we only got one code (having tried at least 4 times). I'm suspecting MS have an issue with automated text / calls in the UK... Anyone know who I should contact to get someone to look into this?32KViews0likes0CommentsRe: O365 MFA not sending text to mobile phone
Salop Thanks. Yes I agree however this is what I've been using for some time now, the system seems to accept the first 0 stripping it if required. Incidentally I have tried today with and without the initial 0 and the effect is the same so I don't believe this is the issue.32KViews0likes0Comments
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