what is fixed 2p3 Backup exec 12.5

my company has symantec backup exec 12.5 and sp3 has not been applied should i do this, they have been having I/O tape drive errors a couple times for the past 2 weeks before it was fine now the job is failing not on a daily basis but sometimes. i cant find what has been fixed in sp3
scripttron75Asked:
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adamshieldsCommented:
Did this work for you?

I only did step 1 and i got the same error.

On this step you don't have to add the DWORD Value because it already it there
just modify it.

Let me know if this works
 
Or Let me know if Step 1 worked please...
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Registry setting 1

   1. Click Start, click Run, type regedit in the Open box, and then click OK.
   2. Locate and then click the following registry subkey:
      HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management
   3. On the Edit menu, point to New, and then click DWORD Value.
   4. Type PoolUsageMaximum as the entry name, and then press ENTER.
   5. Right-click PoolUsageMaximum, and then click Modify.
   6. Click Decimal.
   7. In the Value data box, type 60, and then click OK.

      Important
          * Use 60 as your initial value. If your backup does not succeed, use 40 as your value. If that does not work, you must change the behavior of your backup program to reduce the demand of paged pool. If the value works, you may want to increase the value by approximately 25 percent until the backup does not work. If the backup is unsuccessful, use the second registry setting that is described in this article.
          * Make sure that the value for this registry setting is not more than 60.
          * If you are using the /3GB switch, use 40 as your initial setting. Note that this value is a percentage value.
   8. Quit Registry Editor.
   9. Restart your computer.

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Registry setting 2

   1. Click Start, click Run, type regedit in the Open box, and then click OK
   2. Locate and then click the following registry subkey:
      HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management
   3. On the Edit menu, point to New, and then click DWORD Value.
   4. Type PagedPoolSize as the entry name, and then press ENTER.
   5. Right-click PagedPoolSize, and then click Modify.
   6. Click Hexadecimal.
   7. In the Value data box, type a value of FFFFFFFF, and then click OK.

      Important
          * Setting PagedPoolSize to 0xFFFFFFFF (-1) allocates the maximum paged pool instead of other resources to the computer. This is typically required on a domain controller or a terminal server. By default, most Windows 2000 systems seem to be limited to a paged pool maximum size of 160 MB. You can verify this by downloading the kernel debuggers from the public Web site and opening a kernel dump in the debugger that you want to use. The command to use is !vm. This shows a paged pool maximum of 163840 KB, for example. Adding this value reduces the Page Table Entries (PTEs) that are available on a system and extends the paged pool maximum to 343 MB in Windows 2000. The paged pool maximum size can be extended to a larger value in Windows Server 2003.

            Note The default and maximum paged pool values for Windows Server 2003 are much larger than in Windows 2000. Typically, the Windows Server 2003 values are at least 50 percent higher than the values found in Windows 2000. These larger values makes it more unlikely that you will experience the issue where paged pool values contribute to the problem that is described in this article. However, it is still possible that this issue may occur.
          * This value restricts the system PTEs that are available. PTEs are another unrelated system resource that your system uses. This setting may cause your operating system to stop unexpectedly and to display a stop 0x3F error on a blue screen when it starts. You can recover from this by using the Last Known Good restart option on the system restart menu or recovery console. Use Performance Monitor to view the Free System Page Table Entries counter. You can add the PagePoolSize setting if the observed free values are over 40,000.
          * If you are running /3GB and /PAE together, do not set this setting without extensive testing and before you establish exactly how many system PTES you must have in your environment. You will probably see values in the range of 10,000-20,000 free. Use the articles to configure paged pool memory but never drop below 10,000 free system PTEs. Do not set this to any other value if you are using the /3GB switch. The only supported values are 0, 0A000000, and FFFFFFFF.
   8. Quit Registry Editor.
   9. Restart your computer.
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adamshieldsCommented:
what type of error is it? i was about to open a support call with symantec i am getting this error
The job failed with the following error: The backup storage device has failed.
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adamshieldsCommented:
i have sp3 installed and im getting this error. but i would be happy to ask Symantec directly for you. i am about to call them right now i have a current support contract with them
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scripttron75Author Commented:
ok let me look
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scripttron75Author Commented:
Storage device "IBM 1" reported an error on a request to read data from media.
Error reported:
The request could not be performed because of an I/O device error.
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scripttron75Author Commented:
Job ended: Thursday, December 17, 2009 at 2:45:10 AM
Completed status: Failed
Final error: 0xe00084c8 - The backup storage device has failed.
Final error category: Backup Device Errors

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adamshieldsCommented:
What version of windows and what sp for win are you running? Ex win03. Sp2... They ask these questions also you said your running 12.5 sp2 right?
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adamshieldsCommented:
ok i just got off the phone with Symantec I am getting the exact same error on one of my customers.

click on this link and it will explain the issue... and at the end of the page
http://seer.entsupport.symantec.com/docs/290826.htm

it will have this link follow the Microsoft article and let me know if it fixes the issue
I will do the same
http://support.microsoft.com/default.aspx?scid=kb;en-us;304101
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adamshieldsCommented:
make sure you backup the registry first
File>Export save the file as todays date
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scripttron75Author Commented:
i will try those 2 reg settings but should we stil install sp3 and the latest hotfixes?
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adamshieldsCommented:
Yes I would
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adamshieldsCommented:
Do you have an active support contract with them? I don't think you can get updates unless you have maintenance.
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