"Unable to connect to the Synchronization Service" error when you try to open Miisclient.exe in the Windows Azure Active Directory Sync installation folder

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Article ID: 2791422 - View products that this article applies to.
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PROBLEM

When you try to open Miisclient.exe in the Windows Azure Active Directory Sync installation folder, you get the following error message:

Unable to connect to the Synchronization Service.

Some possible reasons are:

1) The service is not started

2) Your account is not a member of a required security group.

See the Synchronization Service documentation details.

CAUSE

This issue occurs for one of the following reasons:
  • The installation of the Directory Sync tool isn't completed.
  • The user account that you used to log on to the computer doesn't have sufficient permissions to open or to perform tasks in Microsoft Forefront Identity Manager (FIM).

SOLUTION

To resolve this issue, log off from and then log back on to the computer. If this issue persists after you log off and then log back on, follow these steps:
  1. Click Start, right-click Computer, and then click Manage.
  2. Under Computer Management, expand Local Users and Groups, and then expand Groups.
  3. Make sure that the MIISAdmins group exists. If the group is missing, create a group that's named MIISAdmins.
  4. Add yourself to the group.
  5. Log off from the computer, and then log on to establish the new group membership in the access token.
If this issue persists after you perform these steps, contact Support. You may have to reinstall the Directory Sync tool.

MORE INFORMATION

Still need help? Go to the Office 365 Community website or the Windows Azure Active Directory Forums website.

Properties

Article ID: 2791422 - Last Review: October 30, 2013 - Revision: 10.0
Applies to
  • Windows Azure
  • Microsoft Office 365
  • Microsoft Office 365 for enterprises (pre-upgrade)
  • Microsoft Office 365 for education  (pre-upgrade)
  • CRM Online via Office 365 E Plans
  • Windows Azure Recovery Services
Keywords: 
o365062011 pre-upgrade o365 o365e o365a o365022013 after upgrade o365m KB2791422

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