Conditional Access Problems

Fix Microsoft Sign-In Works but Resource Access Blocked

Maira Mehtab Sep 27, 2026 869 views

Question details

The user is able to sign into their Microsoft account successfully, but access to specific resources, applications, or portals is blocked by organizational security policies.

Product: Microsoft Entra / Microsoft 365
Device & OS: not provided
Scenario: Attempting to access company or school resources after a successful account sign-in.
Observed behavior: Sign-in completes, but a Conditional Access or security policy prompt blocks entry to the requested resource, often displaying an error code.

Before you start

Gather details about your current sign-in attempt, including the device you are using, your physical location, the specific application you are trying to access, and any exact error codes displayed on the block screen.

Solution 1Recommended

Contact Your Organization's IT Administrator

Since Conditional Access policies are controlled by your company or school, only an administrator can review and adjust your access permissions.

Microsoft Entra Conditional Access acts as an automated security gatekeeper. Even if your password is correct, the system evaluates conditions such as your location, device health, and network security before granting access.

Note down the error code

Copy the specific error code and correlation ID shown on the blocked access screen.

Gather device context

Record whether you are using a personal or corporate device, your operating system, and the web browser or application you used.

Contact IT support

Send this information to your organization's IT helpdesk or administrator and ask them to check the Microsoft Entra Conditional Access sign-in logs for your account.

Administrator Action Required: Only personnel with administrative privileges in your organization's Microsoft tenant can modify these security policies or add exemptions.

Solution 2

Verify Device Compliance and Network Requirements

Ensure your device meets the standard security requirements often mandated by company policies to bypass automatic conditional blocks.

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Frequently Asked Questions

Why does Microsoft say my sign-in was successful but I still can't access my email?

Your credentials (username and password) are correct, but your device or network does not meet the Conditional Access policy requirements set by your IT department. This could be due to using an unregistered device, accessing from an untrusted location, or lacking mandatory security software.

What is Microsoft Entra Conditional Access?

Conditional Access is a security framework used by Microsoft Entra ID (formerly Azure AD) to bring signals together, make decisions, and enforce organizational policies before granting access to a resource or application.

How can I fix a device compliance error blocking my access?

You may need to enroll your device in Microsoft Intune, install required security updates, or enable a firewall and antivirus software as mandated by your company's IT policies. Contact your IT support for the exact enrollment steps required by your organization.

Does this access issue affect desktop apps or just web browsers?

Conditional access policies can apply to both web browsers and desktop applications like Microsoft Word or Excel. You may be prompted to re-authenticate or be blocked entirely depending on how the policy targets the specific application.

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