When registering a device with Okta Device Access and Desktop Password Sync, a registration error occurs. Resolve this issue by adding the Extensible Markup Language (XML) and Document Type declarations to the device management profile or verifying the location of the Simple Certificate Enrollment Protocol (SCEP) certificate. When attempting to register a device, the following error message appears:
Could not register your Mac, try again later when you see the 'registration required' notification.
- Okta Device Access
- Password Sync
How is the desktop password sync registration error resolved?
Review the following solutions to resolve the registration error.
Solution 1: Update the Device Management Profile
Add two additional lines of code before the property lists (plists). Ensure the XML declaration is the first line in the file, followed immediately by the Document Type declaration node. Add the following code snippet to the top of the XML document as shown in the image below:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">

Solution 2: Verify the SCEP Certificate Location
When configuring Desktop Password Sync, create a SCEP certificate specifically for this feature. Verify the correct location of the certificate by performing the following steps:
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Navigate to Security.
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Choose Device Integrations.
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Select the Device Access tab.
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Confirm the SCEP certificate is present in this location, even if another certificate already exists under the Endpoint Management tab.
