Problem
When trying to discard a check out on SharePoint the following error is presented:
- Object reference not set to an instance of an object
Solution
Change the hostname in the browser from a DNS FQDN to a NetBIOS name e.g.:
- Change http://sharepoint.mydomain.local to http://sharepoint/
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Friday, October 28, 2011
Wednesday, October 26, 2011
Ports for Joining a Windows 2008 R2 Domain
Here's a list of TCP ports required to facilitate a computer joining a Windows 2008 R2 domain:
88 - Kerberos
139 - NetBIOS
389 - LDAP
445 - SMB
49152 - 65535 RPC
The dynamic range is a bit on the large side. Refer to the following to narrow it:
How to configure RPC dynamic port allocation to work with firewalls
Service overview and network port requirements for the Windows Server system
Ports discovered empirically. Your mileage may vary.
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