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Defender 5.9.3 - Defender AD FS Adapter 5.10 Release Notes

Known Issues

The following is a list of issues known to exist at the time of release.


Table 2: Known issues

Known issue

Issue ID

When a user using their GrIDsure token authenticates using the Defender ADFS Adapter, they are unable to reset the PIP. This can happen if the user has other tokens assigned to them besides the GrIDsure token.

Workaround: Make sure that no other tokens are assigned to the user, if they are using the GrIDsure token for authentication.


When a user tries to authenticate using the Defender ADFS Adapter, they may get an ambiguous error “Access denied - no valid route found.” This error may appear if the user does not have any Defender tokens assigned to them.

Workaround: Make sure that the user in question has a Defender token assigned.


When a user tries to authenticate using the Defender ADFS Adapter, they may get the error “Incorrect user ID or password. Type the correct user ID and password, and try again.”, even though they are entering a correct username and password. This may occur if the security policy set up in Defender is preventing the user to log in at this time.

Workaround: Check the security policy for the access node in question to make sure that the problem is, in fact, that the login policy is preventing the user to log in at this time.


System Requirements

You can install Defender AD FS Adapter on physical computers or virtual machines.

Table 3: System requirements




1.4 GHz or faster, x64 architecture

Memory (RAM)

4 GB

Hard disk space

50 MB or more

Operating system

One of the following operating systems:

  • Windows Server 2012 R2
  • Windows Server 2016
  • Windows Server 2019

Before installing Defender AD FS Adapter, verify the following prerequisites:

  • Microsoft .NET Framework 4.5.2 or later is installed
  • Defender Client SDK 5.9.1 or later is installed
  • AD FS role is installed and the AD FS service is running
  • PowerShell 4.0 or later is installed
  • The federated logins to the relying parties are configured and working

Product Licensing

Use of this software is governed by the Software Transaction Agreement found at This software does not require an activation or license key to operate.

Upgrade and Installation Instructions


For information on upgrading Defender AD FS Adapter, refer the Upgrading Defender AD FS Adapter section of the Defender AD FS Adapter Administration Guide.

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