{page-title}
{kb-symptom}
Unable to obtain a backup with a Windows CDP Agent server. CDP logs show a driver problem but does not give details as to what the problem is.
{code}
Example Log entry: Unable to open filter control device!: The system cannot find the file specified
{code}
{kb-cause}
R1Soft CDP Windows Agent installer problems, the CDP Agent drivers do not get installed properly.
{kb-resolution}
First use the CDP Agent Health Driver Utility to verify the correct drivers are installed. Program Files \-> R1Soft CDP Agent \-> CDPDriverHealth
If you find any of the drivers have problems and display a red 'X' you should uninstall and re-install the CDP Agent.
Completely uninstall the Windows CDP Agent using the uninstall utility in the Program Group for R1Soft, then reboot and attempt the install again. It is also a good practice to download a fresh copy of the Agent installer to rule out download issues.
{code}
Example of problem driver install:
Registry Value validated for {533} r1vssfltr
Could not validate the required value of {533}
R1VSSFilter verification failure
r1vssfltr Service Located
r1vssfltr.sys exists
Registry Value validated for {71A} r1fltr
R1VolumeFilter verification Success
r1fltr Service Located
r1fltr.sys exists
{code}
{kb-related-articles}
{kb-symptom}
Unable to obtain a backup with a Windows CDP Agent server. CDP logs show a driver problem but does not give details as to what the problem is.
{code}
Example Log entry: Unable to open filter control device!: The system cannot find the file specified
{code}
{kb-cause}
R1Soft CDP Windows Agent installer problems, the CDP Agent drivers do not get installed properly.
{kb-resolution}
First use the CDP Agent Health Driver Utility to verify the correct drivers are installed. Program Files \-> R1Soft CDP Agent \-> CDPDriverHealth
If you find any of the drivers have problems and display a red 'X' you should uninstall and re-install the CDP Agent.
Completely uninstall the Windows CDP Agent using the uninstall utility in the Program Group for R1Soft, then reboot and attempt the install again. It is also a good practice to download a fresh copy of the Agent installer to rule out download issues.
{code}
Example of problem driver install:
Registry Value validated for {533} r1vssfltr
Could not validate the required value of {533}
R1VSSFilter verification failure
r1vssfltr Service Located
r1vssfltr.sys exists
Registry Value validated for {71A} r1fltr
R1VolumeFilter verification Success
r1fltr Service Located
r1fltr.sys exists
{code}
{kb-related-articles}