Hot topics from the newsgroup

>>> HOT TOPICS for OCTOBER 2007 <<<

The following “hot topics” were posted and resolved during the month of
September:

ISSUE
=====
Partner cannot install R2. He received the following error message during
the installation:

“Setup encountered an error while installing the cumulative security update
for Internet Explorer.  For more information, see the log file at:
C:\Program Files\Microsoft Integration\Windows Small Business Server
2003\Logs\KB912812.log.”

And the log file KB912812.log showed the following message:

“KB912812 Setup encountered an error:  The version of Internet Explorer you
have installed does not match the update you are trying to install.”

CAUSE
======
Partner reinstalled IIS through Add/Remove Windows Components but in fact he
should following the KB 887305 “How to re-install Internet Information
Services (IIS) 6.0 in Windows Small Business Server 2003 ” to reinstall IIS
on SBS box.

RESOLUTION
===========
1. Reinstalled IIS by following the KB article.
2. Installed WSUS followed by R2 from Premium Technologies CD,
3. Uninstalled/reinstalled SBS R2.



ISSUE
=====
When using RWW to connect to a user’s desktop, it connects to another user’s
computer.

CAUSE
======
Incorrect DNS A record for the problematic computers since RWW queries DNS
to locate the IP address of the specified computer. Not sure why the
computer’s the DNS record was incorrect.


RESOLUTION
===========
Delete the A record from DNS console, and re-register the problematic
computers’ DNS through the command line “ipconfig /registerdns”



ISSUE
=====
Partner may experience the following symptoms:

1. Receive error message: “Your system is low on virtual memory. Windows is
increasing the size of your virtual memory paging file. During this process,
memory requests for some applications may be denied. For more information,
see Help”

2. Task Manager shows page file usage growing to excessive proportions (10+
GB as an example), as well as individual processes consuming up to 1 GB of
memory.

3. Applications fail or will not initiate.

4. Server performance in general suffers.


CAUSE
======
Incorrect HeapDecommitFreeBlockThreshold registry value under
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager.


RESOLUTION
===========
We have seen a few cases where customers following KB 315407 The
“HeapDecommitFreeBlockThreshold” Registry Key may attempt to copy and paste
the 0x0004000 value specified from the article into the hexadecimal value
data for the REG_DWORD. Regedit does not recognize this format and will
convert the data to 41000400 hexadecimal (1090520064 decimal).

This setting is meant to control virtual address space fragmentation by
increasing the amount of contiguous free space required before the heap
manager frees up any memory. When set to 0, the heap manager will free each
4 KB page as it becomes available. The only other supported value for this
key is 0x0004000 hexadecimal (262144 decimal). This is documented in the
following TechNet article:

http://technet.microsoft.com/en-us/library/9f4e9cbd-9f8b-4088-8d2a-568f1565e95b.aspx

If you find yourself troubleshooting an extremely high page file, or if you
are implementing this for the first time, make sure that the value for the
HeapDecommitFreeBlockThreshold is either 0x00040000 hexadecimal (262144
decimal) or 0. Changing this value requires a server reboot.

Note: To avoid the potential problems with incorrectly setting this value,
we recommend leaving the default setting of 0 on Small Business Server.

MORE INFORMATION
=================
Running Low on Virtual Memory and Excessive Page File Usage
http://blogs.technet.com/sbs/archive/2007/08/27/running-low-on-virtual-memory-and-excessive-page-file-usage.aspx


 

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