Article ID: 238864 - View products that this article applies to.
This article was previously published under Q238864
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After you apply Systems Management Server Service Pack 1 (SP1) to a site with Windows 95 or Windows 98 clients, the client computers may stop responding (hang) at logon or during normal use. Note that this behavior is more noticeable with the Windows 95 client computers.
This problem can occur because the Systems Management Server client upgrade is unable to replace files in use on the Windows 98/95 client computers. Because of this, you may need to restart the client computer multiple times to upgrade successfully, and if you restart too soon after logon, the upgrade may not be successful.
This problem can also occur if the client computer has upgraded core components but is running pre-SP1 optional components. When this occurs, the client computer may stop responding or generate an application exception error in one or more components, including but not limited to the Smsmon32.exe file of the Clisvc95.exe file.
NOTE: This may happen if the Logon Point server is upgraded but the client CAP server is not upgraded to SP1. For additional information, please click the article number below to view the article in the Microsoft Knowledge Base:
(https://support.microsoft.com/kb/236596/EN-US/ )SMS: Client Components Fail to Install with SMS 2.0 SP1
To work around this problem, manually uninstall and then reinstall the client.
To prevent this problem from occurring, verify that your Windows 98/95 clients are uninstalled before applying the service pack. You can uninstall clients by using either of the following methods:
Method 1Disable the Windows NT Logon Installation Method and then run the 20clicln.bat file or use the Smsman command with the /u parameter, for example smsman /u.
Method 2To uninstall without any manual intervention:
Microsoft has confirmed this to be a problem in Systems Management Server version 2.0.
To determine the exact uninstallation state and if there are problem client computers remaining:
(https://support.microsoft.com/kb/236325/EN-US/ )How to Obtain the Latest Systems Management Server Service Pack
(https://support.microsoft.com/kb/238865/EN-US/ )SMS: SMSMon32 Process Hangs on Client After Applying SMS 2.0 SP1
(https://support.microsoft.com/kb/237543/EN-US/ )Client Upgrade Considerations in Service Pack 1
(https://support.microsoft.com/kb/236596/EN-US/ )Client Components Fail to Install After Applying SMS 2.0 SP1