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OS - WinCC -- Operation and maintenance -- Diagnosing errors

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	How do you perform comprehensive diagnostics in PCS 7 and WinCC plants?
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	How do you install the User Mode Process Dumper for diagnostics with WinCC and PCS 7?
	Which details does Technical Support need regarding inquiries on SIMATIC PCS 7?
	Why are the DCOM settings of the WinCC OPC server reset after activating the OS Runtime?
	Why is the message "Network not ready yet." displayed when an AutoStart is configured on the OS?
	Why are the STEP 7 ActiveX controls (OCX) not shown on the OS server and OS client?
	Why aren't all the block icons updated during OS compilation?
	What are the causes of PCS 7 control technology and system messages and what measures are to be taken to clear them?
	Why does the OS Login Box disappear sometimes in the background?
	Length of mapped message texts
	What should I do if the Split Screen Wizard closes with an error message?
	Why do I get an error message when calling the loop display of a faceplate?
	What is the meaning of the WinCC messages "PLC fault synchronous" and "PLC fault asynchronous"?
	Why does it take 3 to 5 minutes for the Login Box to open on the client or until the message "No authorization for operation" is displayed?
	What might be the cause that the hierarchy display in the overview area of the SIMATIC PCS 7 OS does not work?
	Error Message "Group display: Tag .Eventstate does not exist"
	Why does "?????" appear as a text on the range selector buttons in the overview area in OS runtime even though the text is available in the SIMATIC Manager?
	Why does the error message 10111001 "The group display hierarchy has not been updated" appear?

Why does the OS Login Box disappear sometimes in the background?

Part number:

Description:
The reason for this might be incorrect settings in the Windows XP operating system.

Instructions:
Make the following settings to avoid this behavior.

No. Procedure

1 Go to "Start > Control Panel > Regional and Language Options > Languages > Text services and input languages > Details" and then open the "Advanced" tab.

2 Clear the check box "Support extended text services in all programs".

3 Close all the windows and restart the PC.

Keywords:
Foreground, WinCC Login box

Entry ID:35836051

Date:2009-04-27

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