Some methods to resolve Sign In Application(SSO) crash Issue

Some methods to resolve Sign In Application(SSO) crash Issue


 Sign In application crashes.


To resolve this issue, use one or more of the following methods

Method 1: Restart the Single Sign In Application

1. Completely sign out (don’t just click the close box) and restart it.


Method 2: Ensure your computer’s clock is accurate

1. Make sure your time is within 5 minutes of local time.

2. Make sure you have the correct time zone selected.


Method 3: Make sure that the Single Sign On application is up-to-date

1. Click Options > More Options > Check for Updates.


Method 4: Restart your computer

1. Save all open documents and reboot your computer.


Method 5: Connectivity allowance

1. The Single Sign In application requires access to the internet via port 443.

2. You may need to allow access through your firewall.


Method 6: Make sure that the computer is connected to the Internet

1. Make sure that the computer is assigned a valid IP address.

2. Verify the physical network connections.

3. Can you access


Method 7: Verify the Proxy Settings in Internet Explorer

1. Close all Internet Browsers.

2. Click Start > Control Panel > Internet Options.

3. Click the Connections tab > LAN Settings.

4. Verify that the Proxy Server information is set correctly for your network.


Method 8: Add to Proxy Settings Exceptions list in Internet Explorer

1. Click Start > Control Panel >Internet Options.

2. Click the Connections tab > LAN Settings.

3. Under Proxy Server, click Advanced.

2. Under Exceptions, type "*" (without the quotes).

3. Click on OK until the Internet Options dialog box is closed.


Method 9: Make sure that the Certificate is removed when you sign out of the Sign In application

1. Sign out of the Microsoft Online Services Sign In application.

2. Click Start > Run.

3. Type certmgr.msc, and then click OK.

4. On the left side, expand Personal then click Certificates.

5. On the right side under Issued From, make sure that Microsoft Online Svcs BPOS CA1 is not listed. If it is listed, delete the certificate.

6. Sign in by using the Sign In application.


Method 10: Restore the certificate store

1. Close Internet Explorer.

2. Go to Start > Run and paste this and click OK:

                cacls "%appdata%\Microsoft\Crypto\RSA" /t /e /c /g %userdomain%\%username%:F

3. You may restart Internet Explorer.


Method 11: Reinstall the Single Sign In application

1. Go to Start > Control Panel.

2. Choose Uninstall a Program.

3. Locate and select Microsoft Online Services Sign In.

4. Select Uninstall.

5. Download and install Single Sign In from


Method 12: Update .Net

1. Go to

2. Download and install the software.

3. You may be required to restart your computer.


Method 13: Send Logs

If all the above steps do not solve the issue, please attach the report from MOSDAL (Download at to Microsoft Online technical support team. MOSDAL will run tests and make detailed reports that support team can use to further troubleshoot this issue.


Note: The Microsoft Online Administration Center (MOAC) and Outlook Web (OWA) Access always prompt for a user name and password because they use Forms Based Authentication. This is an intended behavior and SSO is not meant to automatically log you in to these services.




  • Microsoft Business Productivity Online Standard Suite
  • Microsoft Online Services Sign in Application