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The given key was not present in the dictionary.  System.Collections.Generic.KeyNotFoundException Managed Account Issue

I Have Registry not found error for service accounts.png and this Production environment is implemented secure hardening in AD side impemented secure group policies when i try to open in Applicaiton Server CentralAdmin>Security > when Edit Manged…

Microsoft 365 and Office | SharePoint Server | For business
asked 2026-11-07T20:22:46.59+00:00
adil 1,431 Reputation points
answered 2026-11-07T20:37:34.4066667+00:00
Ryan-N 16,940 Reputation points Microsoft External Staff Moderator
4 answers

Please help. How to free up my SSD c drive

Hi all, I hope someone can help me. I do all the usual house cleaning of my PC regularly, but despite this, my c drive is nearing the end of the red zone. I ran WinDirStat, but unfortunately that doesn't help as it doesn't indicate what is safe/unsafe to…

Windows for home | Windows 11 | Files, folders, and storage
asked 2026-11-02T09:22:21.83+00:00
Glenn Gordon 5 Reputation points
commented 2026-11-07T20:36:56.03+00:00
Glenn Gordon 5 Reputation points
2 answers

Microsoft Planner and notifications

Our organization is new to project management. I am working on a project schedule in planner but want to lead the team through the schedule in person. They don't even know what planner is or that they have it. I don't want them to get notifications until…

Microsoft Teams | Microsoft Teams for business | Settings | Configure notifications
asked 2026-11-06T18:04:38.96+00:00
AJ1550 0 Reputation points
commented 2026-11-07T20:35:52.7233333+00:00
Hani-Ng 2,835 Reputation points Independent Advisor
1 answer

Lost all old emails after installing Microsoft Office TLSC Standard 2024 with “Outlook Classic”

I recently uninstalled Microsoft Office 2010 and installed Microsoft Office TLSC Standard 2024 with “Outlook Classic”. At first “Classic” showed all my old folders and file but the next day it only shows emails from the previous day and all my old…

Outlook | Windows | Classic Outlook for Windows | For home
asked 2026-11-06T23:11:24.16+00:00
Philip Robertson 0 Reputation points
answered 2026-11-07T20:33:00.9033333+00:00
Hornblower409 18,720 Reputation points
1 answer One of the answers was accepted by the question author.

Can't receive emails from certain senders

I have not been able to receive any emails from certain senders (Interfolio notification in this case), all possible fixes (e.g. rules, block list, etc.) from the customer support have failed. I contacted the sender and they confirmed the emails were…

Outlook | Web | Outlook.com | Email
asked 2026-01-30T22:50:45.61+00:00
Yang 20 Reputation points
commented 2026-11-07T20:27:55.1366667+00:00
Hornblower409 18,720 Reputation points
0 answers

Issue business verification UK company number

Hello Microsoft Support Team, I'm the co-founder of ABMS SOFTWARE LIMITED, a UK-registered software company. We're enrolled in the new Microsoft for Startups Preview program and we cannot complete business verification because the form requires exactly…

Azure | Azure Startups
Azure | Azure Startups

Startups: Companies that are in their initial stages of business and typically developing a business model and seeking financing.

1,885 questions
asked 2026-11-07T20:27:12.6933333+00:00
Andrei Nedelcu 0 Reputation points
2 answers

securityissue, emails not being received; dark web warning received; critical email replies not being accepted

Outlook security issue, critical sent emails not being received; replies are not coming through? dark web warning received; critical email replies not being accepted, no notice or notice on blocks...

Outlook | Windows | Classic Outlook for Windows | For business
asked 2026-11-06T18:58:33.6566667+00:00
William Piotrowski 0 Reputation points
commented 2026-11-07T20:26:40.93+00:00
Ryan-N 16,940 Reputation points Microsoft External Staff Moderator
0 answers

Public organization identity validation failed immediately after Verified ID — no reason shown

Hello. Our Artifact Signing public organization identity validation changed to "Validation Fail" about 20 minutes after the requester completed the AU10TIX Verified ID step successfully (green check). The Azure portal shows no failure reason,…

Artifact Signing
Artifact Signing

A fully managed end-to-end service for digitally signing code, documents, and applications. (formerly Trusted Signing)

1,701 questions
asked 2026-11-05T23:01:18.3666667+00:00
Fraley Atelier LLC 0 Reputation points
edited a comment 2026-11-07T20:26:25.2733333+00:00
Fraley Atelier LLC 0 Reputation points
1 answer

Inconsistent results from Windows Networking

I operate several different Windows computers and rely heavily on Windows Networking. In order to describe this problem I have 4 computers running on my own private network. Three of the four are connected to the network via Ethernet RJ45 Adapters. …

Windows for business | Windows Client for IT Pros | Networking | Network connectivity and file sharing
asked 2026-11-07T20:00:01.8366667+00:00
Snookred 36 Reputation points
edited the question 2026-11-07T20:26:06.1533333+00:00
Snookred 36 Reputation points
2 answers

Not receiving email in Outlook from one email address

I cannot receive email from only one email address that I need to get frequently.

Outlook | Web | Outlook.com | Email
asked 2026-10-27T17:04:30.08+00:00
Carol Borkowski 0 Reputation points
commented 2026-11-07T20:22:24.84+00:00
Hornblower409 18,720 Reputation points
2 answers

need to change my "from" email name when I'm sending emails in New Outlook for my google account

I need to update my current sender name in New Outlook for a google account. I made the changes in GMAIL but those are not reflected in my "new" outlook account. What are the steps to update my sender name?

Outlook | Windows | New Outlook for Windows | For business
asked 2026-11-05T22:14:08.6566667+00:00
Alex Kukurudz 0 Reputation points
commented 2026-11-07T20:18:41.05+00:00
Hornblower409 18,720 Reputation points
2 answers

Word app will not open so I can create a document. I get a message that says it has identified an error When I click the repair option nothing happens

When I try to open Word I get a message that there is an error and it will not open so I can create a document I clicked repair now and nothing occurs What can I do to be able to use the Word app?

Microsoft 365 and Office | Word | For home | Windows
asked 2026-11-07T19:36:07.3733333+00:00
L SHOVAN 0 Reputation points
answered 2026-11-07T20:14:43.43+00:00
John Jefferson Doyon 90,560 Reputation points Independent Advisor
3 answers One of the answers was accepted by the question author.

how to fix "threats"

Every time, Microsoft defender disrupts my work with a notification; "Microsoft defender has found threats, please take the recommended action" Yes, I've taken the action, scan, quick scan, deep scan, removal, clean threats...... but nothing…

Windows for home | Other | Security and privacy
asked 2026-11-06T20:30:44.05+00:00
Daniel 20 Reputation points
answered 2026-11-07T20:13:43.0866667+00:00
Daniel 20 Reputation points
1 answer

Existing Windows Gen2/NVMe VM in West Europe fails allocation on D2as_v7, D2as_v6 and D2s_v6

An existing Windows test VM in West Europe previously ran successfully, but now fails to start after deallocation. The error is AllocationFailed: "The VM allocation failed due to an internal error. Please retry later or try deploying to a different…

Azure Virtual Machines
Azure Virtual Machines

An Azure service that is used to provision Windows and Linux virtual machines.

10,471 questions
asked 2026-11-07T09:22:43.9966667+00:00
hennie Witbraad 0 Reputation points
commented 2026-11-07T20:12:49.3866667+00:00
hennie Witbraad 0 Reputation points
1 answer

"Something went wrong and your PIN isn't available."

Sometimes when I try to unlock my device I get that message. Sometimes resetting it fixes t he problem but other times I'm forced to do the set up PIN process. I have gone through with the setup PIN process about three times now and the error still…

Windows for home | Windows 10 | Windows Hello, lock screen and sign-in
asked 2026-11-07T20:09:33.5233333+00:00
N/A 0 Reputation points
answered 2026-11-07T20:09:49.06+00:00

AI answer

2 answers

Access + ODBC driver 18 + SQL Server 2025: 150-250 ms per request when bound forms are open

Has anyone encountered recurring request latency when using Microsoft Access with SQL Server 2025 through ODBC driver 18? In several existing Access application (currently none of them connecting to a SQL Server 2025), a simple DAO test on a SQL Server…

SQL Server Database Engine
asked 2026-11-06T19:27:59.4266667+00:00
Bruno De Grauwe 0 Reputation points
answered 2026-11-07T20:08:45.2566667+00:00

AI answer

1 answer

How to make a different Calendar be the default?

I have two calendars ( under my calendars in outlook), my calendar that is connected to my email, and then the calendar I manage for someone else. I am trying to make the latter calendar the default, so I don't have to keep unchecking mine, and…

Outlook | Windows | Classic Outlook for Windows | For business
asked 2026-08-07T13:32:15.5566667+00:00
Van Sistine, Caroline 5 Reputation points
commented 2026-11-07T20:08:18.2766667+00:00
Hornblower409 18,720 Reputation points
2 answers

I cannot leave an external organization in Teams

Hi, I cannot leave an external organization in Teams: the query to Authenticator does not arrive, the code is not accepted, and no other option to validate is available that does not include Authenticator. According to other posts…

Microsoft Teams | Microsoft Teams for business | Other
asked 2026-11-07T18:53:52.61+00:00
Sergio Gomez 0 Reputation points
answered 2026-11-07T20:03:14.8233333+00:00
Jay1 Tran 1,915 Reputation points Independent Advisor
2 answers

Need a quick assistance for a tenant lockout

Hi,Due to a conditional access misconfiguration, I’m currently locked out from a tenant. Opened a demand to support this morning from another business admin account but no answer so far so I’d hope that someone from Microsoft could answer me and escalate…

Microsoft 365 and Office | Subscription, account, billing | For business | Other
asked 2026-11-07T18:37:24.5133333+00:00
Avel-3116 0 Reputation points
answered 2026-11-07T20:03:14.3566667+00:00
Ryan-N 16,940 Reputation points Microsoft External Staff Moderator
3 answers

Outlook has blocked me from sending emails

Since yesterday, I started experiencing this issue when replying to an email. I don't send emails often, but i have to occasionally. This is a personal account i have had for over 20 years. Now, all the sudden Outlook is not sending my emails saying…

Outlook | Windows | Classic Outlook for Windows | For home
asked 2026-01-22T18:22:54.85+00:00
Juliana 0 Reputation points
commented 2026-11-07T19:57:31.81+00:00
Hornblower409 18,720 Reputation points