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Windows machines that have User Account Control (UAC) turned on while attempting to delete or start an ArcSDE Service, may return the following errors:
• When deleting an ArcSDE Service,
"Error opening SCManager.
You must have administrator privileges to perform this operation
Error deleting esri_sde service
Error opening instance key
Error deleting instance 'esri_sde' key in registry"
• When creating and starting an ArcSDE Service,
"The ArcSDE service (esri_sde) service on Local Computer started and then stopped. Some services stop automatically if they are not in use by other services or programs".
• The ArcSDE service log file (sde_esri_sde.log) reports the following error:
CAN'T OPEN INSTANCE: esri_sde.
Spatial Engine Connection Failed (-9).
Cannot Get Access to Instance esri_sde
Error (-9):Couldn't Start Server Task.."
User Account Control (UAC) is a technology and security infrastructure introduced with Microsoft's Windows Vista and Windows Server 2008 operating systems, with a more relaxed version also present in Windows 7 and Windows Server 2008 R2. This feature helps prevent malicious programs, also known as 'malware', from damaging a system. UAC stops the automatic installation of unauthorized applications. UAC also prevents unintended changes to system settings.
This issue can be resolved by running the command prompt as an administrator.
A security risk may result by using administrative credentials to run an unknown program. Only run programs that you trust as an administrator.