JSI Tip 8556. Windows NTBackup will not restore the system state on a Windows 2000 Server running SP3 or SP4?

When you attempt to restore the system state on a Windows 2000 server Service Pack 3 or 4 installed, the Application event log records:

Event Type: Error
Event Source: NTBackup.exe
Description: Instruction at 0x775c827e referenced memory at 0x00000005. The memory could not be read.
Thread Name: RestoreRegDb
Exception code: c0000005
Exception description: Access violation
Exception address: 775c827e

This error will occur if the following is true:

1. You install the Cumulative Update for Microsoft RPC/DCOM.

2. You use NTBackup.exe to perform a full backup of your computer, including the system state:

 - Boot files, including the system files, and all files protected by Windows File Protection (WFP). 
 - Active Directory (on a domain controller only). 
 - Sysvol (on a domain controller only). 
 - Certificate Services (on certification authority only). 
 - Cluster database (on a cluster node only). 
 - Performance counter configuration information. 
 - Component Services Class registration database.
3. You perform a new (clean) installation of Windows 2000.

4. You attempt to perform the restore using the media from step 2.

This behavior is caused by a mismatch between the Catsrvut.dll and Clbcatq.dll library files.

To resolve this problem:

1. Install the Cumulative Update for Microsoft RPC/DCOM.

2. Perform the restore.



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