Have you tried DHCP database restore? If not, I suggest you to restore the database from a known good backup. While DHCP works properly.ĭue to the message, this may be caused by page checksum mismatch. ThanksĪccording to your description, my understanding is that Application Event Log displays “…failed verification due to a page checksum mismatch…”. Thoughts and recommendations appreciated. Maybe by stopping failover, moving the whole scope to the working DHCP server, removing the database, then moving half the scope back?
I don't want to ignore the errors, but is there a clean way of tidying up the database. The stats show both servers are balancing the load and I can see that this server has issued DHCP leases in the past few hours. As far as the DHCP management snap-in looks, everything appears to be fine and working.
Both are running Server 2012 and both happily responding to clients for DHCP requests. I have this DHCP server in a failover partnership with another DHCP server. My Application log is full with 38,000 events covering just 6 hours.
Please contact your hardware vendor for further assistance diagnosing the problem. Problem is likely due to faulty hardware. If this condition persists then please restore the database from a previous backup. The read operation will fail with error -1018 (0xfffffc06). Stored checksum was and the computed checksum was. Svchost (1536) The database page read from the file "C:\Windows\system32\dhcp\dhcp.mdb" at offset 2080768 (0x00000000001fc000) (database page 507 (0x1FB)) for 4096 (0x00001000) bytes failed verification due to a page checksum mismatch. have thousands of Errors in my Application Event Log from source ESENT reporting. Type net start dhcpserver, and then press ENTER. Type copy %SystemRoot%\system32\dhcp\backup\jet\new\dhcp.mdb %SystemRoot%\system32\dhcp\dhcp.mdb, and then press ENTER. Type del %SystemRoot%\system32\DHCP\Dhcp.md, and then press ENTER.
Type move %SystemRoot%\system32\DHCP\*.* c:\olddhcp, and then press ENTER. Type md c:\olddhcp, and then press ENTER. Type net stop dhcpserver, and then press ENTER. To restore a backup copy of the DHCP database:Ĭlick Start, click All Programs, click Accessories, right-click Command Prompt, and then click Run as Administrator. To perform these procedures, you must be a member of the Administrators group, or you must have been delegated the appropriate authority. You can also restore the Dhcp.mdb file from a tape backup or other backup media. If DHCP Manager was used previously to perform a backup, you can obtain the backup copy of the server database file located in the %SystemRoot%\System32\Dhcp\Backup folder. If the DHCP server database becomes corrupted or is lost, recovery is possible by replacing the server database file (Dhcp.mdb), located in the %SystemRoot%\System32\Dhcp folder, with a backup copy of the same file.
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